FAA 14 CFR Part 135 Air Carrier Maintenance Program Audit Checklist
Part 135 air carriers must operate under an approved maintenance program per 14 CFR 135.411 that meets more stringent requirements than Part 91. The carrier's maintenance manual must be FAA-approved, and all major maintenance must be released with an airworthiness release signed by an appropriately certificated mechanic. This audit verifies that the maintenance program is current, the inspection program is being followed, and records are retained per 14 CFR 135.439. Non-compliant maintenance pro
- Industry: Transportation & Logistics
- Frequency: Annual
- Estimated Time: 20-30 minutes
- Role: Air Carrier Maintenance Director
- Total Items: 19
- Compliance: 14 CFR Part 43, 14 CFR Part 91, FAA Advisory Circular
Maintenance Manual Currency and FAA Approval
The carrier's maintenance manual must be FAA-approved and current per 14 CFR 135.427.
- FAA-approved maintenance manual on file and current (not superseded revision)?
- Manual revisions distributed to all maintenance personnel and controlled copy updated?
- Maintenance manual accessible to mechanics performing work on carrier's aircraft?
- Manual revision date and manual number:
Approved Inspection Program (AIP) Compliance
Part 135 carriers must follow an Approved Inspection Program per 14 CFR 135.419.
- All aircraft operated under the Part 135 certificate have current AIP inspections?
- Inspection intervals in the AIP not exceeded for any aircraft?
- Continuous airworthiness maintenance program (CAMP) enrolled aircraft current per approved intervals?
Airworthiness Release Requirements
14 CFR 135.443 requires an airworthiness release signed by an appropriately certificated person before each Part 135 flight after maintenance.
- Airworthiness release prepared after each maintenance action before flight?
- Airworthiness release signed by certificated A&P mechanic with IA, or appropriately authorized person?
- Release references the specific maintenance performed and aircraft N-number?
Maintenance Record Retention
14 CFR 135.439 requires records to be retained for specified periods; longer than Part 91 requirements.
- Current maintenance records for all aircraft retained at the carrier's principal operations base?
- Airworthiness releases retained for minimum 1 year?
- Major repair and alteration records (Form 337) retained until aircraft destroyed?
- AD compliance records retained indefinitely for ADs with terminating actions?
Maintenance Audit Summary
Document findings from this Part 135 maintenance program audit.
- Part 135 maintenance program compliant in all audited areas?
- Non-conformities found (describe or None):
- Number of aircraft in fleet covered by this audit:
- Auditor name and certificate number:
- Auditor signature:
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Why Use This FAA 14 CFR Part 135 Air Carrier Maintenance Program Audit Checklist?
This faa 14 cfr part 135 air carrier maintenance program audit checklist helps transportation & logistics teams maintain compliance and operational excellence. Designed for air carrier maintenance director professionals, this checklist covers 19 critical inspection points across 5 sections. Recommended frequency: annual.
Ensures compliance with 14 CFR Part 43, 14 CFR Part 91, FAA Advisory Circular. Regulatory-aligned for audit readiness and inspection documentation.
Frequently Asked Questions
What does the FAA 14 CFR Part 135 Air Carrier Maintenance Program Audit Checklist cover?
This checklist covers 19 inspection items across 5 sections: Maintenance Manual Currency and FAA Approval, Approved Inspection Program (AIP) Compliance, Airworthiness Release Requirements, Maintenance Record Retention, Maintenance Audit Summary. It is designed for transportation & logistics operations and compliance.
How often should this checklist be completed?
This checklist should be completed annual. Each completion takes approximately 20-30 minutes.
Who should use this FAA 14 CFR Part 135 Air Carrier Maintenance Program Audit Checklist?
This checklist is designed for Air Carrier Maintenance Director professionals in the transportation & logistics 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.