AD 2001-10-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Co | Airworthiness Directives; General Electric Co. CF6-80C2 Turbofan Engines |
Unsafe Condition
Cracks in the bottoms of the dovetail slots of certain stage 1 high pressure turbine (HPT) rotor disks could propagate to failure of the disk and cause an uncontained engine failure.
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Required Actions
Initial and repetitive inspections of certain HPT rotor disks for cracks in the bottom of the dovetail slot are required. Disks with greater than zero cycles-since-new (CSN) must not be installed until inspected. Inspections must be performed at the next engine shop visit (ESV) or before the disk usage exceeds specified CSN limits.
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Compliance Time
Within the next engine shop visit (ESV) or before the disk usage exceeds specified CSN limits.
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Affected Aircraft
General Electric Co. CF6-80C2 turbofan engines with certain stage 1 HPT rotor disks installed.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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