What is the purpose of a 100-hour inspection?
100-hour inspections are required for aircraft used in commercial operations to ensure airworthiness.
Which document specifies maintenance requirements for a specific aircraft?
The maintenance manual provides manufacturer-approved procedures for inspections and repairs.
What is the primary purpose of an Airworthiness Directive (AD)?
ADs are legally enforceable regulations issued to correct unsafe conditions in aircraft.
Which tool is essential for measuring torque during maintenance?
Torque wrenches ensure fasteners are tightened to specified values for safety and integrity.
What must be done before performing maintenance on aircraft systems?
Disconnecting power sources prevents accidental activation of systems during maintenance.
Which record must be updated after maintenance is performed?
The aircraft logbook provides a legal record of all maintenance activities.
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What is the purpose of a service bulletin?
Service bulletins provide recommended procedures from manufacturers but aren't legally binding unless referenced in an AD.
Which regulation governs the certification of A&P mechanics?
14 CFR Part 65 outlines requirements for mechanic certification and privileges.
What is required before returning an aircraft to service after maintenance?
A signed maintenance release certifies that work was performed correctly and the aircraft is airworthy.