AD 2002-23-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney | JT8D-200 Series | Airworthiness Directives; Pratt & Whitney JT8D-200 Series Turbofan Engines |
Unsafe Condition
Cracked tierod holes found during routine engine overhauls could lead to a rupture of the HPC front hub, resulting in an uncontained engine failure and damage to the airplane.
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Required Actions
Strip the protective coating, visually inspect for fretting wear, perform fluorescent magnetic particle inspection (FMPI), reidentify and replate HPC front hubs and the stage 8-9 spacers, and replace if necessary, in accordance with ASB JT8D A6430.
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Compliance Time
Within specified intervals based on cycles-in-service (CIS): Hubs with fewer than 17,000 CIS must be inspected at the first shop visit after accumulating 9,000 CIS, not to exceed 18,000 CIS. Hubs with 17,000 to 19,000 CIS must be inspected at the next shop visit.
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Affected Aircraft
Pratt & Whitney JT8D-209, -217, -217A, -217C, and -219 series turbofan engines with HPC front hubs installed that have operated with PWA-110 coating in the interface between the HPC front hub and the stage 8-9 spacer, manufactured after June 1, 1988, installed on, but not limited to, McDonnell Douglas MD-80 series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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