Aircraft 100-Hour Maintenance Inspection Checklist
This aircraft 100-hour maintenance inspection checklist ensures compliance with FAA 14 CFR Part 43 Appendix D (Scope and Detail of Annual and 100-Hour Inspections), FAA AC 43.13-1B (Acceptable Methods for Aircraft Inspection and Repair), and aircraft manufacturer maintenance manual requirements. Required for aircraft operated for hire, this inspection must be performed by a certificated A&P mechanic.
- Industry: Aviation
- Frequency: Per Event
- Estimated Time: 8-16 hours
- Role: A&P Mechanic / IA
- Total Items: 30
- Compliance: FAA 14 CFR Part 43 Appendix D Inspection Scope, FAA AC 43.13-1B Aircraft Inspection and Repair, FAA 14 CFR Part 43.9 Maintenance Records, Aircraft Manufacturer Maintenance Manual, FAA 14 CFR Part 91.409 100-Hour Inspection Requirements
Engine Inspection
Powerplant inspection per 43 App D.
- Cylinder compression tested and within limits (min 60/80)?
- Spark plugs removed, inspected, cleaned, and gapped?
- Magneto timing checked and P-lead connections secure?
- Engine oil and filter changed?
- Induction system and air filter inspected?
Airframe Inspection
Structural and airframe components.
- Fuselage skin, stringers, and bulkheads inspected for cracks/corrosion?
- Wing skins, ribs, spars, and attach fittings inspected?
- Flight control cables, pulleys, rod-ends, and turnbuckles inspected?
- Landing gear, oleo struts, wheels, and brakes inspected?
- Propeller blades, spinner, and hub inspected?
Systems Inspection
Aircraft systems and avionics.
- Fuel system lines, tanks, caps, and gascolator inspected?
- Electrical wiring, switches, and circuit breakers inspected?
- Instruments and avionics operational?
- Exhaust system inspected for cracks and leaks (CO hazard)?
- ELT battery expiration date current?
ADs and Service Bulletins
Regulatory compliance review.
- AD search conducted for all applicable ADs?
- All recurring ADs complied with at correct intervals?
- Applicable manufacturer service bulletins reviewed?
- Transponder and altimeter static system tests current (24 months)?
- Avionics navigation database current?
Return to Service
Sign-off and documentation.
- All discrepancies documented and resolved?
- Aircraft and engine logbook entries completed per FAA 43.9?
- Aircraft approved for return to service?
- Next 100-hour due recorded in logs?
- Inspection Notes
Additional Inspection Items
FAA 43 Appendix D additional requirements.
- All accessible areas checked for corrosion?
- Fluid hoses and lines checked for deterioration and chafing?
- Firewall integrity intact?
- All required placards and markings legible and in place?
- Overall aircraft general condition satisfactory?
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Why Use This Aircraft 100-Hour Maintenance Inspection Checklist?
This aircraft 100-hour maintenance inspection checklist helps aviation teams maintain compliance and operational excellence. Designed for a&p mechanic / ia professionals, this checklist covers 30 critical inspection points across 6 sections. Recommended frequency: per event.
Ensures compliance with FAA 14 CFR Part 43 Appendix D Inspection Scope, FAA AC 43.13-1B Aircraft Inspection and Repair, FAA 14 CFR Part 43.9 Maintenance Records, Aircraft Manufacturer Maintenance Manual, FAA 14 CFR Part 91.409 100-Hour Inspection Requirements. Regulatory-aligned for audit readiness and inspection documentation.
Frequently Asked Questions
What does the Aircraft 100-Hour Maintenance Inspection Checklist cover?
This checklist covers 30 inspection items across 6 sections: Engine Inspection, Airframe Inspection, Systems Inspection, ADs and Service Bulletins, Return to Service, Additional Inspection Items. It is designed for aviation operations and compliance.
How often should this checklist be completed?
This checklist should be completed per event. Each completion takes approximately 8-16 hours.
Who should use this Aircraft 100-Hour Maintenance Inspection Checklist?
This checklist is designed for A&P Mechanic / IA professionals in the aviation industry. It can be used for self-assessments, team audits, and regulatory compliance documentation.
Can I download this checklist as a PDF?
Yes, this checklist is available as a free PDF download. You can also use it digitally in the POPProbe mobile app for real-time data capture, photo documentation, and automatic reporting.