AD 2003-10-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company CF6-6 Series | Airworthiness Directives; General Electric Company CF6-6 Series Turbofan Engines |
Unsafe Condition
Cracks in the high pressure turbine rotor (HPTR) rear shafts due to low-cycle-fatigue (LCF) could result in uncontained engine failure and damage to the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Reduce the cyclic life limit for certain HPTR rear shafts. Remove certain HPTR rear shafts from service before exceeding the new, lower cyclic life limit. Remove from service certain HPTR rear shafts that currently exceed, or will exceed, the new, lower cyclic life limit according to the compliance schedule.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before exceeding the new, lower cyclic life limit or according to the compliance schedule described in the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
General Electric (GE) CF6-6 series turbofan engines with certain high pressure turbine rotor (HPTR) rear shaft part numbers (PNs) installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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