AD 2020-20-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company | Airworthiness Directives; General Electric Company Turbofan Engines |
Unsafe Condition
An uncontained failure of an HPT stage 2 disk and the manufacturer's determination to expand the population of affected HPT disks.
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Required Actions
Perform ultrasonic inspection (UI) of high-pressure turbine (HPT) stage 1 and stage 2 disks using the Accomplishment Instructions, paragraph 3.A.(2), of GE CF6-80C2 Service Bulletin (SB) 72-1562 R04, dated May 29, 2019, and paragraph 3.A.(2) of GE CF6-80A Service Bulletin (SB) 72-0869 R02, dated May 29, 2019.
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Compliance Time
Before further flight
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Affected Aircraft
GE CF6-80A, CF6-80A1, CF6-80A2, CF6-80A3, CF6-80C2A1, CF6-80C2A2, CF6-80C2A3, CF6-80C2A5, CF6-80C2A5F, CF6-80C2A8, CF6-80C2B1, CF6-80C2B1F, CF6-80C2B2, CF6-80C2B2F, CF6-80C2B4, CF6-80C2B4F, CF6-80C2B5F, CF6-80C2B6, CF6-80C2B6F, CF6-80C2B6FA, CF6-80C2B7F, CF6-80C2D1F, CF6-80C2L1F, and CF6-80C2K1F model turbofan engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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