RYAN MARQUEZ

Performed wiring inspections, flagging hazards for immediate corrective action.

• Performed and supported C-check heavy maintenance tasks on Boeing 737 NG and 737 MAX aircraft in accordance with FAA/EASA regulations, Boeing MPD, and approved maintenance documentation.
• Conducted troubleshooting, fault isolation, and system testing on integrated avionics systems including EFIS, FMC, IRS, EICAS, and autopilot systems.
• Executed operational and functional checks on communication, navigation, and surveillance systems (VHF/HF radios, transponders, TCAS, and weather radar systems).
• Supported installation and removal of avionics Line Replaceable Units (LRUs) during modification work
• Observed embodiment of Service Bulletins (SBs) and Airworthiness Directives (ADs)
• Performed troubleshooting and rectification of complex avionics faults on B737NG & B737 MAX aircraft Conducted avionics system checks to maintain daily operational performance.
• Performed embodiment of avionics modifications on Boeing 737NG and 737 MAX aircraft in line maintenance and base maintenance checks.
• Modified wiring harnesses and aircraft electrical interconnections as per Boeing WDM and engineering drawings
• Performed configuration updates and system functional testing after modifications.
• Performed configuration updates and system functional testing after modifications.
• Conducted comprehensive Built-In Test Equipment (BITE) checks and fault diagnosis across major avionics systems including FMS, EFIS, FCC, autopilot, IRS, TCAS, weather radar, and EGPWS.
• Executed full cockpit functional tests including flight deck power-up, display validation, mode control checks, and system integration verification.
• Inspected avionics wiring harnesses, connectors, and bonding in avionics bay, EE bay, crown area, and fuselage sections for corrosion, chafing, and continuity issues.
• Performed removal, inspection, and reinstallation of Line Replaceable Units (LRUs) such as flight computers, radios, transponders, and navigation units.
• Supported troubleshooting and rectification of deferred defects and C-check findings using Boeing fault isolation manuals and aircraft maintenance software.
• Carried out avionics software updates, navigation database loading, and service bulletin (SB) embodiment tasks as per airline requirements.
• Provided maintenance support to keep aircraft ready at all times.
• Used advanced diagnostic tools to pinpoint faults and resolve them accurately.
• Joined team training exercises, sharing knowledge to strengthen collaboration.
• Rectified complex system malfunctions, improving fleet efficiency through practical repairs.
• Performed detailed avionics system checks to enhance system
• performance.
• Tested various avionics systems to confirm optimal functionality.
• Installed advanced navigation equipment to improve flight safety.
• Performed scheduled and unscheduled inspections to verify aircraft flight readiness.
• Serviced electrical pumps and air handling systems to meet performance standards.
• Tested electrical aircraft system components and equipment for compliance.
• Repaired and installed wiring connectors, control boxes, antennas, and related parts.
• Performed visual and physical inspections on all electrical components.
• Performed technical troubleshooting to detect and resolve complex issues.
• Collaborated with engineers, technicians, and maintenance personnel to complete projects.
• Used hand and power tools to install or repair electronic assemblies.
• Installed electronic instruments and control systems to required specifications.
• Worked on radio systems, instruments, and inverters across varied equipment.
• Tested electrical aircraft system components and equipment for compliance with standards.
• Followed precise manufacturer guidelines when installing new components; upheld quality standards and consistency across fleet.
• Complied strictly with aviation regulations whilst carrying out repair works, ensured compliance at all times.
• Achieved optimal aircraft efficiency by troubleshooting complex electronic faults.
• Participated actively in team training exercises; shared knowledge and expertise generously amongst colleagues.
• Enhanced system performance by conducting detailed avionics systems checks.
• Performed scheduled and unscheduled inspections to check flight readiness of aircraft.
• Reassembled and tested repaired equipment to verify resolution.
• Reviewed equipment manuals and technical specifications to complete repairs.
• Interpreted test data to diagnose equipment malfunctions.
• Performed detailed avionics system inspections during base maintenance C-checks.
• Conducted wiring and harness inspections, including continuity, insulation resistance,
  and pin-to-pin verification tests.
• Worked from task cards, AMM, and wiring diagrams to complete inspection
  requirements accurately.
• Performed fault isolation on aircraft systems using test equipment, technical manuals,
  and BITE systems.
• Performed Modification of avionics such as navigation, communication, flight control.

• Experienced avionics technician with solid base maintenance background on Boeing 737 Next Generation and Airbus A320 family. Proven ability to perform aircraft system functional testing, fault diagnosis, and troubleshooting in heavy maintenance environments, ensuring full compliance with regulatory and airline maintenance standards prior to return to service.
• Skilled in executing and interpreting Built-In Test Equipment (BITE) results, performing avionics system checks, and isolating faults using AMM, FIM, and TSM procedures. Strong working knowledge of inertial and navigation systems including IRS/ADIRS alignment verification, FMC/FMGS initialization, and flight deck display systems (EFIS/ECAM) performance validation.
• Familiar with both conventional (Boeing 737NG) and highly integrated fly-by-wire (Airbus A320) avionics architectures, with a clear understanding of system interdependencies and operational logic during ground testing and maintenance checks.
• Performed in-depth avionics system testing and troubleshooting during scheduled base maintenance checks (A-check / C-check / heavy maintenance environment).
• Committed to maintaining high standards of airworthiness, safety, and procedural compliance within fast-paced MRO and airline base maintenance environments, with strong attention to detail and effective coordination with certifying engineers and maintenance control teams.
• Executed aircraft power-up and shutdown procedures in coordination with maintenance control and safety requirements.
• Interpreted maintenance manuals (AMM, TSM, FIM, WDM) to carry out avionics system testing and fault isolation.
• Conducted system functional tests using aircraft built-in test equipment (BITE) and ground test equipment.
• Performed wiring continuity checks, insulation resistance testing, and inspection of aircraft electrical harnesses for chafing, corrosion, and defects.
• Conducted system-level testing using aircraft built-in test equipment (BITE) and external diagnostic tools to identify and rectify avionics faults.
• Ensured compliance with Airworthiness Directives (ADs), Service Bulletins (SBs), and avionics modification programs during heavy maintenance inputs.
• Coordinated with maintenance control, engineering, and planning teams to ensure timely rectification of avionics defects and aircraft release readiness.
• Maintained accurate technical documentation and recorded all avionics maintenance actions in aircraft maintenance logs and electronic tracking systems.
• Conducted pre-flight, transit, overnight, and post-flight checks, ensuring aircraft airworthiness and operational readiness within strict turnaround times.
• Diagnosed and rectified aircraft defects (deferable and non-deferable) using fault isolation procedures, MEL/CDL references, and technical troubleshooting methods.
• Ensured strict adherence to safety procedures, ramp safety regulations, and tool control policies during all line maintenance activities.
• Tested avionic systems to verify reliable operation across flight conditions.
• Installed advanced navigation equipment to strengthen flight safety measures.
• Maintained organized tool inventory to streamline the repair process.
• Conducted detailed avionics system checks to enhance overall system performance.
• Followed manufacturer guidelines for component installation to uphold fleet consistency.
• Troubleshot complex electronic faults to achieve optimal aircraft efficiency.
• Maintained intercommunication systems to enable steady cockpit-to-cabin communication.
• Complied strictly with aviation regulations during repair work execution.
• Performed routine pre-flight checks to assure flight safety.
• Inspected wiring extensively to identify potential hazards early.
• Completed scheduled and unscheduled inspections to confirm flight readiness.
• Lubricated shafts, bearings, and gears to keep performance stable.
• Diagnosed faults and created resolution plans to restore functionality.
• Tested electrical aircraft system components for standards compliance and malfunctions.
• Repaired and installed wiring connectors, control boxes, antennas, and related parts.
• Installed, modified, and tested aircraft avionics and cabin electrical systems.
• Carried out cabin avionics modifications, including wiring, harness installation, and equipment integration.
• Performed installation and functional testing of avionics equipment during cabin modification projects.
• Executed aircraft cabin avionics modifications while ensuring compliance with regulatory and company standards.
• Installed and terminated electrical wiring, connectors, and avionics components as part of aircraft modification programs.
• Conducted troubleshooting and operational testing following avionics cabin modifications.
• Interpreted wiring diagrams, schematics, and engineering orders to complete modification tasks accurately.
• Carried out visual and physical inspections for every electrical component.
• Collaborated with engineers, technicians, and maintenance personnel on project completion.
• Kept detailed maintenance and repair records for traceability.
• Examined and tested machines, instruments, and control systems for faults.
• Reassembled and tested repaired equipment to verify fault resolution.
• Performed maintenance tasks to keep aircraft operating at peak condition.
• Worked with cross-functional teams to support smooth project execution.
• Adhered strictly to aviation standards to guarantee safe working conditions.
• Commissioned newly installed systems to verify correct operation and design conformance.
• Joined team training exercises and shared knowledge with colleagues.
• Improved response times through meticulous avionic emergency repair actions.
• Rectified intricate system malfunctions to support fleet performance improvements.
• Provided maintenance support to maintain aircraft readiness.
• Used testing equipment such as oscilloscopes, ammeters, and ohmmeters.
• Replaced worn and defective parts and wiring to restore function.
• Adjusted equipment to improve performance and meet specifications.
• Installed electronic instruments and control systems to defined specifications.
• Interpreted test data to diagnose equipment malfunctions.
• Diagnosed malfunctions and tested consumer electronics functionality.
• Quickly learned and applied new skills to daily tasks, improving efficiency and productivity.
• Complied strictly with aviation regulations whilst carrying out repair works, ensured compliance at all times.
• Conducted extensive wiring inspections, identified potential hazards in a timely manner.
• Interpreted complex technical manuals effectively; facilitated smooth installation process.
• Achieved optimal aircraft efficiency by troubleshooting complex electronic faults.
• Followed precise manufacturer guidelines when installing new components; upheld quality standards and consistency across fleet.
• Mastered use of sophisticated diagnostic tools for effective fault detection.
• Serviced in-flight refueling systems to support flight readiness.
• Performed avionics-related cabin modifications in accordance with approved engineering data and maintenance manuals.
• Performed aircraft cabin modification and retrofit work.
• Completed work within scheduled maintenance deadlines while maintaining high safety standards.

• Performed scheduled base maintenance, heavy checks, inspections, repairs, and system testing on commercial aircraft including Boeing 737 Next Generation, Boeing 777, Boeing 787 Dreamliner, and Boeing 767 in compliance with EASA Part-145 and OEM maintenance documentation.
• Executed aircraft disassembly and reassembly tasks during heavy maintenance inputs including C-checks and structural inspections.
• Performed avionics and electrical system troubleshooting, testing, and rectification, ensuring full system functionality prior to return-to-service.
• Conducted functional tests of aircraft systems including avionics, flight controls, hydraulic systems, landing gear, fuel systems, and cabin systems following maintenance tasks.
• Interpreted and worked from Aircraft Maintenance Manuals (AMM), Task Cards, Wiring Diagram Manuals (WDM), Structural Repair Manuals (SRM), and Engineering Orders (EOs).
• Performed wiring repairs, continuity checks, insulation resistance testing, and connector maintenance on aircraft harnesses and avionics systems.
• Supported component replacement, rigging checks, system calibration, and operational testing after maintenance actions.
• Completed built-in test equipment (BITE) fault isolation and troubleshooting procedures to identify and resolve aircraft system defects.
• Ensured compliance with airworthiness standards, safety procedures, and quality assurance requirements throughout all maintenance activities.
• Maintained accurate maintenance records, technical logbook entries, defect reports, and certification documentation in accordance with regulatory requirements.
• Collaborated with engineering, planning, and quality departments to ensure efficient workflow and timely aircraft return-to-service.
• Performed avionics retrofit and aircraft cabin modification on Boeing 777 and Boeing 787 Dreamliner aircraft in accordance with approved engineering orders, aircraft maintenance manuals (AMM), wiring diagram manuals (WDM), service bulletins (SB), and engineering drawings.
• Installed, removed, and replaced avionics Line Replaceable Units (LRUs), electronic equipment racks, antennas, control panels, power supplies, and associated electrical components during modification programs.
• Fabricated, routed, secured, terminated, and repaired aircraft wiring harnesses and electrical cables using approved aerospace standards and practices.
• Installed electrical connectors, backshells, contacts, splices, bonding leads, and grounding connections while ensuring correct pin assignments and wiring integrity.
• Performed continuity, insulation resistance, bonding, and functional tests using approved test equipment and aircraft maintenance procedures.
• Conducted troubleshooting and fault isolation on avionics and electrical systems, identifying wiring defects, connector issues, and equipment malfunctions, and implemented corrective actions.
• Integrated new avionics equipment into existing aircraft systems and verified proper interface, configuration, and operational performance.
• Rectify intricate avionics malfunctions to restore stable fleet functionality.
• Test avionic systems thoroughly to confirm optimal operation before release.
• Performed avionics retrofit, modification, and upgrade activities on Airbus A320 family, Airbus A350, and Airbus A380 aircraft in accordance with approved Engineering Orders (EO), Airbus Aircraft Maintenance Manual (AMM), Wiring Diagram Manual (WDM), Illustrated Parts Catalogue (IPC), Service Bulletins (SB), and customer modification requirements.
• Installed, removed, and replaced avionics Line Replaceable Units (LRUs), control panels, display units, communication, navigation, surveillance, flight management, and aircraft monitoring system components.
• Performed aircraft electrical wiring modifications, including harness fabrication, cable routing, connector termination, wire splicing, clamping, identification, and circuit protection in accordance with Airbus wiring standards.
• Installed and integrated new avionics systems and electrical equipment during aircraft retrofit and cabin modification programs, ensuring compatibility with existing aircraft systems.
• Modified cockpit and cabin electrical systems, including lighting, passenger service systems, emergency equipment, power distribution, and associated electrical interfaces.
• Installed avionics racks, equipment trays, antennas, sensors, brackets, cable trays, grounding straps, bonding jumpers, and mounting hardware in accordance with engineering drawings and installation procedures.
• Conducted continuity, insulation resistance, bonding, grounding, and functional tests using approved aircraft test equipment to verify system integrity following modifications.
• Performed avionics troubleshooting, fault isolation, and corrective maintenance by interpreting aircraft wiring diagrams, electrical schematics, and fault messages.
• Assisted in system integration, operational testing, and post-modification functional checks to ensure compliance with airworthiness requirements before aircraft release.
• Accurately interpreted engineering drawings, electrical schematics, Airbus technical documentation, and engineering change instructions to complete complex modification tasks.
• Completed maintenance documentation, modification records, inspection reports, and task cards in compliance with EASA/FAA regulations and company quality procedures.
• Worked closely with engineering, quality assurance, production, and certification teams to complete aircraft modification projects safely, efficiently, and within scheduled turnaround times.
• Applied Safety Management System (SMS), Human Factors, Electrical Safety, ESD protection, FOD prevention, and tool control procedures throughout all maintenance and modification activities.
• Executed retrofit of existing Thales Group In-Flight Entertainment (IFE) systems to Panasonic Avionics Corporation IFE platforms in accordance with approved engineering data and maintenance procedures.
• Removed legacy IFE equipment, including seat electronic boxes (SEBs), passenger displays, media servers, distribution units, wiring harnesses, and associated avionics components.
• Installed Panasonic IFE hardware, including displays, SEBs, media servers, network switches, wireless access points, and cabin interface units.
• Performed aircraft wiring modifications, connector terminations, cable routing, bonding, shielding, and continuity/insulation resistance testing in compliance with aircraft wiring standards.
• Integrated IFE systems with aircraft power, Ethernet networks, cabin management systems, passenger service systems, and audio/video distribution equipment.
• Conducted system configuration, software loading, and operational testing to verify hardware functionality and network communication.
• Performed functional, operational, and acceptance tests, including seat-to-seat verification, touchscreen operation, audio/video performance, passenger control units, USB charging ports, and power outlets.
• Troubleshot hardware, software, and network faults using maintenance manuals, wiring diagrams, engineering drawings, and diagnostic tools.
• Supported Ground Functional Tests (GFT), customer acceptance testing, and aircraft return-to-service activities.
• Complied strictly with aviation regulations whilst carrying out repair works, ensured compliance at all times.
• Completed modification records, installation documentation, inspection reports, and quality assurance paperwork in accordance with aviation maintenance standards.
• Worked closely with engineering, quality assurance, production planning, and certification teams to ensure on-time project completion while maintaining the highest safety and quality standards.
• Installed advanced navigation equipment for improved flight safety.
• Assured flight safety by performing routine pre-flight checks.
• Enhanced system performance by conducting detailed avionics systems checks.
• Conducted extensive wiring inspections, identified potential hazards in a timely manner.
• Mastered use of sophisticated diagnostic tools for effective fault detection.
• Familiarised self with diverse range of aircraft models to increase versatility in role.
• Achieved optimal aircraft efficiency by troubleshooting complex electronic faults.
• Interpreted complex technical manuals effectively; facilitated smooth installation process.
• Tested various avionic systems to ensure optimal functionality.
• Replaced worn and defective parts and wiring to restore equipment function.
• Worked on diverse radio systems, instruments and inverters.
• Diagnosed malfunctions and tested functionality of consumer electronics.
• Interpreted test data to diagnose equipment malfunctions.
• Rectified intricate system malfunctions, contributed significantly to overall fleet performance.
• Followed precise manufacturer guidelines when installing new components; upheld quality standards and consistency across fleet.
• Participated actively in team training exercises; shared knowledge and expertise generously amongst colleagues.
• Provided crucial maintenance support to ensure aircraft readiness.
• Performed scheduled and unscheduled inspections to check flight readiness of aircraft.
• Addressed preventative and reparative maintenance on aircraft electronics and computer systems.
• Performed thorough visual and physical inspections of all electrical parts.
• Repaired and installed wiring, connectors, control boxes antennas and other pieces.
• Tested electrical aircraft systems, components and equipment for compliance with standards and to uncover any malfunctions.
• Collaborated with engineers, technicians and maintenance personnel to complete projects.
• Performed technical troubleshooting to detect and resolve complex issues.
• Examined and tested machines, instruments and control systems to identify faults.
• Reassembled and tested repaired equipment to verify resolution.
• Reviewed equipment manuals and technical specifications to complete repairs.
• Installed electronic instruments and control systems to specifications.
• Troubleshoot complex aircraft electronic faults using diagrams, diagrams, and standard test steps.

• Performed line maintenance troubleshooting, defect rectification, and functional testing of avionics systems on multiple aircraft types including Boeing 747-100-200-300-400, Boeing 777-300-200,McDonnell Douglas MD-11, McDonnell Douglas MD-90, Embraer E195, and Boeing 737 Next Generation in compliance with EASA Part-145 regulations.
• Conducted pre-flight, transit, daily, and post-flight inspections, ensuring avionics system integrity and aircraft dispatch readiness.
• Diagnosed and rectified faults in key avionics systems including communication, navigation, flight control, flight management, and aircraft monitoring systems.
• Performed BITE system analysis, fault isolation, and troubleshooting procedures to identify and resolve system discrepancies efficiently.
• Carried out LRU replacement, configuration loading, and post-installation functional testing to restore full system functionality.
• Executed wiring continuity checks, insulation resistance testing (megger), and connector inspections to detect and repair electrical faults.
• Utilized Aircraft Maintenance Manuals (AMM), Fault Isolation Manuals (FIM), Wiring Diagram Manuals (WDM), and Engineering Orders (EOs) for accurate maintenance execution.
• Completed return-to-service (RTS) checks and technical documentation in accordance with regulatory and airline requirements.
• Maintained strict compliance with safety procedures, quality standards, and EASA/FAA regulations during all maintenance activities.
• Successfully supported high-pressure AOG recovery operations, restoring aircraft to service within operational time limits and minimizing flight disruptions.
• Improved troubleshooting efficiency by applying structured AMM/FIM-based diagnostic workflows, reducing average fault isolation time.
• Consistently ensured zero-repeat defects on multiple avionics-related maintenance tasks through accurate repair verification and post-maintenance testing.
• Contributed to high aircraft dispatch reliability across wide-body and narrow-body fleets through efficient line maintenance execution.
• Supported successful execution of complex avionics troubleshooting under time-critical operational constraints in live airport environments.
• Kept current on avionics technologies through ongoing professional development activities.
• Implemented regulatory updates quickly to match changing standards.
• Collaborated with engineers to design new avionics systems for innovation.
• Performed frequent checks to keep autopilot systems operating smoothly.
• Diagnosed navigation and weather radar faults to restore service quickly.
• Completed detailed pre-flight checks on avionics equipment to prevent issues.
• Repaired wiring and electrical connectors to improve overall system performance.
• Conducted regular inspections of avionics systems using standard procedures.
• Replaced worn or outdated components during scheduled maintenance to extend life.
• Solved complex aircraft electronics issues using specialist knowledge.
• Applied safety protocols for sensitive electronic equipment to reduce accidents.
• Performed routine avionics maintenance to maintain aircraft operational readiness.
• Carried out scheduled and unscheduled inspections for flight readiness.
• Completed thorough visual and physical inspections of electrical components.
• Installed electronic instruments and control systems to required specifications.
• Trained junior technicians on best practices in avionics repair and maintenance, fostering a skilled workforce.
• Ensured smooth functioning of autopilot systems by conducting thorough checks regularly.
• Problem-solved complex technical issues by applying expert knowledge of aircraft electronics.
• Conducted regular inspections of aircraft avionic systems by following standard procedures meticulously.
• Collaborated with engineers to design new avionics systems, driving innovation in the industry.
• Diagnosed malfunctions in navigation and weather radar systems to restore function swiftly.
• Installed new hardware and software into existing aircraft systems, improving efficiency.
• Tested and repaired onboard communication equipment, enhancing flight safety.
• Coordinated with other technicians for efficient problem-solving.
• Maintained accurate records of all repairs and installations, ensuring regulatory compliance.
• Conducted detailed pre-flight checks on avionics equipment to prevent potential issues during flights.
• Replaced worn-out or outdated components as part of regular maintenance tasks for longevity of systems.
• Repaired faulty wiring and electrical connectors, boosting overall system performance.
• Adapted quickly to changes in regulation standards by implementing required adjustments promptly.
• Implemented safety protocols whilst handling sensitive electronic equipment, reducing workplace accidents significantly.
• Liaised with suppliers to procure high-quality parts for repairs at competitive prices.
• Performed scheduled and unscheduled inspections to check flight readiness of aircraft.
• Utilised testing equipment such as oscilloscopes, ammeters and ohmmeters.
• Performed thorough visual and physical inspections of all electrical parts.
• Repaired and installed wiring, connectors, control boxes antennas and other pieces.
• Used hand and power tools to install or repair electronic components and assemblies.
• Adjusted equipment to enhance performance and meet requirements.
• Examined and tested machines, instruments and control systems to identify faults.
• Interpreted test data to diagnose equipment malfunctions.
• Diagnosed malfunctions and tested functionality of consumer electronics.
• Serviced in-flight refuelling systems to support flight readiness.
• Worked on diverse radio systems, instruments and inverters.

• Line maintenance for aircraft like the CASA CN-235, De Havilland Canada Dash 8, BAE 146, BAE ATP, and Let L-410 follows the same regulatory philosophy (defect prevention, dispatch reliability, and quick turnaround.
• B2 Licensed Aircraft Maintenance with experience in line maintenance operations, specializing in avionics systems troubleshooting, defect rectification, and aircraft dispatch support. Skilled in fast-paced airport environments ensuring aircraft serviceability, safety compliance, and on-time performance. Proficient in interpreting technical documentation, performing system diagnostics, and supporting both scheduled and unscheduled maintenance activities on commercial aircraft.
• Conducted transit checks, daily checks, and turnaround inspections to ensure aircraft airworthiness and operational readiness
• Diagnosed and rectified avionics system defects including communication, navigation, flight control, and aircraft monitoring systems
• Utilized Built-In Test Equipment (BITE) and troubleshooting procedures to isolate and resolve system faults efficiently
• Interpreted wiring diagrams, technical manuals (AMM, TSM, IPC), and maintenance documentation to support fault resolution
• Ensured all maintenance tasks were accurately recorded in aircraft technical logbooks and electronic maintenance systems
• Maintained strict compliance with safety procedures, regulatory standards, and company maintenance procedures
• Supported AOG (Aircraft on Ground) recovery operations to minimize aircraft downtime
• Assisted in shift handovers, providing clear technical status updates and defect reports
• Calibrated sensitive flight instruments for precise readings during flights.
• Conducted extensive wiring inspections, identified potential hazards in a timely manner.
• Streamlined repair process by maintaining organized tool inventory.
• Assured flight safety by performing routine pre-flight checks.
• Rectified intricate system malfunctions, contributed significantly to overall fleet performance.
• Achieved optimal aircraft efficiency by troubleshooting complex electronic faults.
• Provided crucial maintenance support to ensure aircraft readiness.
• Complied strictly with aviation regulations whilst carrying out repair works, ensured compliance at all times.
• Tested electrical aircraft systems, components and equipment for compliance with standards and to uncover any malfunctions.