Airworthiness Directive 2002-23-02
one-timeAirworthiness Directives; General Electric Company CF34-8C1 Turbofan Engines
What this AD requires
This amendment adopts a new airworthiness (AD), that is applicable to General Electric Company CF34-8C1 turbofan engines. This amendment requires revisions to the Airworthiness Limitations Section (ALS) of the manufacturer's Instructions for Continued Airworthiness (ICA) to include required enhanced inspection of selected critical life-limited parts at each piece-part exposure. This amendment also requires an air carrier's approved continuous airworthiness maintenance program to incorporate these inspection procedures. Air carriers with an approved continuous airworthiness maintenance program will be allowed to either maintain the records showing the current status of the inspections using the record keeping system specified in the air carrier's maintenance manual, or establish an acceptable alternate method of record keeping. This amendment is prompted by the need to require enhanced inspection of selected critical life-limited parts of CF34-8C1 turbofan engines at each piece-part exposure. The actions specified by this AD are intended to prevent critical life-limited rotating engine part failure, which could result in an uncontained engine failure and damage to the airplane.
Which aircraft AD 2002-23-02 applies to
Requires revising the Time Limits Section of GE Engine Manual GEK 105091 (and the approved continuous airworthiness maintenance program) to add mandatory piece-part-opportunity inspections (fluorescent penetrant / eddy current) for critical life-limited rotating parts including the fan disk, fan drive shaft, stage 1 and stage 2 HPT rotor disks, HPT rotor outer torque coupling, HPT shaft, stage 1-3 HPC rotor blisks, HPC forward shaft, HPC aft shaft spool, and HPC discharge rotating seal (list truncated in source text); the specific engine model designation is not stated in the available applicability text, only GE manual number GEK 105091.
Whether AD 2002-23-02 actually applies to your aircraft (by serial and installed parts) and whether it’s already complied with comes from that aircraft’s records.
How AD compliance is recorded
A valid compliance record (14 CFR 43.9) states:
Tailplate reads a tail number’s logbooks and matches every applicable AD — including this one — to its compliance evidence, with recurring next-due dates computed.
Look up a tail number →Read the full directive (Federal Register)Applicability is derived from the FAA directive corpus and is advisory, not a legal airworthiness determination. Compliance is established only from an aircraft’s actual records.