Maintenance Forms & Records
Maintenance Forms & Records is a core knowledge area on the AMT — General FAA written exam. This hub collects our 16 in-depth, ACS-aligned maintenance forms & records articles — each written in plain English and grounded in the official FAA handbooks. Work through them below, then drill the topic with practice questions.
FAA Form 337 Major Repair and Alteration
FAA Form 337 documents major repairs and alterations to aircraft, engines, propellers, and appliances, serving as the official record and approval for return to service under 14 CFR Part 43.
Return to Service Endorsement by Authorized Persons
A Return to Service (RTS) endorsement documents that an aircraft or component has been properly inspected or repaired and is airworthy; only FAA-authorized persons may sign it, and a missing or improper endorsement makes the flight illegal.
Maintenance Record Entry Requirements (14 CFR 43.9)
14 CFR 43.9 mandates specific content in every maintenance record entry — description of work, date, certificate type/number, and signature — ensuring airworthiness accountability for every aircraft maintenance action.
Airworthiness Directive Compliance Recording
Airworthiness Directives are legally mandatory FAA safety orders; every AMT must know exactly how to document AD compliance so that records are accurate, complete, and legally defensible.
Annual Inspection Sign-Off and Logbook Entries
Annual inspections must be properly documented in the aircraft records by an authorized inspector; a correct logbook entry or maintenance record sign-off is both a legal and safety requirement under 14 CFR Part 43.
100-Hour Inspection Documentation Requirements
The 100-hour inspection is a regulatory requirement for certain commercially operated aircraft, and proper documentation in the maintenance records is just as critical as the inspection itself.
Approved Maintenance Organization (AMO) Work Order Records
An Approved Maintenance Organization's work order records document every inspection, repair, and alteration performed on an aircraft, forming the legal paper trail required by 14 CFR Part 145 and Part 43.
Progressive Inspection Program Record Keeping
A progressive inspection program lets operators spread a complete annual inspection across multiple visits; proper record keeping is mandatory under 14 CFR Part 43 and must document every phase, interval, and finding to satisfy the FAA.
Aircraft Maintenance Logbooks vs. Aircraft Records
Aircraft maintenance logbooks and official records serve distinct legal purposes; understanding the difference is essential for any AMT to ensure airworthiness compliance and avoid regulatory violations.
Approved Data References in Maintenance Records
FAA-approved data must support every maintenance action, and knowing which sources qualify—and how to document them—is essential for any AMT seeking airworthiness compliance.
FAA Form 8010-4 Malfunction or Defect Report
FAA Form 8010-4 allows aviation mechanics and pilots to voluntarily report aircraft malfunctions and defects, helping the FAA identify safety trends and issue airworthiness directives before failures become accidents.
Retention and Availability Requirements for Maintenance Records
FAA regulations require specific aircraft and maintenance records to be retained for defined periods and kept available for inspection — knowing exactly which records, how long, and by whom is essential for every AMT.
Rebuilder Records and Zero-Time Engine Logbooks
When an FAA-certificated rebuilder restores an aircraft engine to zero-time status, specific logbook entries and paperwork are required — distinct from overhaul records — and understanding the difference is critical for AMT certification exams.
Owner Notification and Signature Requirements for Major Alterations
Major alterations to certificated aircraft require specific FAA Form 337 documentation, return-to-service signatures, and — critically — written notification to the aircraft owner before the altered aircraft may be flown.
Electronic Maintenance Recordkeeping Acceptance and Limitations
Electronic maintenance recordkeeping offers efficiency gains but carries strict FAA acceptance criteria and limitations that every AMT must understand before signing off a digital entry.
Inspection Authorization (IA) Holder Record-Keeping Obligations
Inspection Authorization holders must maintain specific records of all annual and progressive inspections performed, preserving them for at least two years and making them available for FAA review on demand.
More AMT — General subjects
Articles are original summaries grounded in the public-domain FAA handbooks and cite their source. ACS-aligned study aids — not a substitute for the official handbooks or regulations.