AD 99-10-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney Division | JT8D-209 | Airworthiness Directives; Pratt & Whitney JT8D-200 Series Turbofan Engines |
| engine | Pratt & Whitney Division | JT8D-217 | Airworthiness Directives; Pratt & Whitney JT8D-200 Series Turbofan Engines |
| engine | Pratt & Whitney Division | JT8D-217A | Airworthiness Directives; Pratt & Whitney JT8D-200 Series Turbofan Engines |
| engine | Pratt & Whitney Division | JT8D-217C | Airworthiness Directives; Pratt & Whitney JT8D-200 Series Turbofan Engines |
| engine | Pratt & Whitney Division | JT8D-219 | Airworthiness Directives; Pratt & Whitney JT8D-200 Series Turbofan Engines |
Unsafe Condition
Fan blade failure due to high cycle fatigue resulting from foreign object damage, leading edge erosion, manufacturing discrepancies, and locked fan shrouds.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect fan blades and shrouds, unlock fan blade shrouds, lubricate fan blade shrouds, restore leading edge dimensions, remove from service fan rotors with repeat lockup events within 225 cycles, and install improved design fan blades per PW Alert Service Bulletin A6241, Rev. 2.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Required as indicated in PW ASB A6241, Rev. 2, or before further flight if not accomplished previously.
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Affected Aircraft
Pratt & Whitney JT8D-209, -217, -217A, -217C, and -219 engines not incorporating SB 6193 or with specified fan blade part numbers, installed on McDonnell Douglas MD-80 series aircraft.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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