Aviation Mechanic - General, Airframe, and Powerplant › II. Airframe › Task D. Airframe Inspection

AM.II.D.K4

Knowledge

Identification of life-limited parts and their replacement interval.

Study note

Get a short, cited explanation of this element written from the FAA handbooks: the core idea, the numbers that matter, common test traps, and a quick self-check.

From the FAA library

Aviation Maintenance Technician Handbook - General p. 2-8
Chapter 2: Regulations, Maintenance Forms, Records, & Publications › Overview — Title 14 of the Code of Federal Regulations (14 CFR) › Maintenance-Related Regulations
specified replacement time, inspection interval, or other related procedure specification in the maintenance manual or ICA, that part must have a part number and a serial number (or the equivalent of each). The manufacturer of a life-limited part must ... either provide marking instructions for that part, or state that the part cannot be marked without a compromise to its integrity. Exceptions are made for the identification of parts that are too small to be practical to mark the required…
Aviation Maintenance Technician Handbook - Airframe p. 2-65
Chapter 2: Aerodynamics, Aircraft Assembly, & Rigging › Other Aircraft Inspection & Maintenance Programs › Title 14 CFR part 125, section 125.247, Inspection Programs & Maintenance
Title 14 CFR part 125, section 125.247, Inspection Programs & Maintenance This regulation applies to airplanes having a seating capacity of 20 or more passengers or a maximum payload capacity of 6,000 pounds or more when the aircraft ... required to be operated under 14 CFR parts 121, 129, 135, and 137. Inspection programs which may be approved for use under this 14 CFR part include, but are not limited to: 1. A continuous inspection program which is part…
Aviation Maintenance Technician Handbook - Airframe p. 2-60
Chapter 2: Aerodynamics, Aircraft Assembly, & Rigging › Required Inspections › Periodic Maintenance Inspections
techniques, including radiographic and ultrasonic testing where such processes are specified. • A list of special tools needed. • An Airworthiness Limitations section that is segregated and clearly distinguishable from the rest of the document. This section must set forth: 1. Each ... mandatory replacement time, structural inspection interval, and related structural inspection procedures required for type certification or approved under 14 CFR part 23 or part 25. 2. Each mandatory replacement time, inspection interval, related inspection procedure, and all critical design configuration…