AD 2003-12-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney | JT8D Series | Airworthiness Directives; Pratt & Whitney JT8D Series Turbofan Engines |
Unsafe Condition
Fracture of the 7th, 8th, 9th, 10th, 11th, and 12th stage high pressure compressor (HPC) disks, which can result in uncontained release of engine fragments, inflight engine shutdown, and airframe damage.
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Required Actions
Perform initial and repetitive inspections of HPC disks for corrosion pits and cracks after stripping the protective coating. Replace HPC disks found with corrosion pits or cracks beyond serviceable limits before further flight.
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Compliance Time
Before further flight
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Affected Aircraft
Pratt & Whitney JT8D-1, -1A, -1B, -7, -7A, -7B, -9, -9A, -11, -15, -15A, -17, -17A, -17R, and -17AR turbofan engines installed on, but not limited to, Boeing 737 and 727 series, and McDonnell Douglas DC-9 series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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