AD 78-17-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney Canada Corp. | JT15D-4 | PRATT & WHITNEY AIRCRAFT OF CANADA, LIMITED Model JT15D-4 Engines |
Unsafe Condition
Fuel leakage from the fuel manifold adapter assemblies (Part Numbers 3023031 and 3023035).
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Required Actions
Replace the Part Number 3023031 and 3023035 fuel manifold adapter assemblies with Part Number 3021699 and 3021698 assemblies in accordance with Service Bulletin No. 7087 or approved equivalent parts. Equivalent parts must be approved by the Chief, Engineering and Manufacturing Branch of the Eastern Region FAA.
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Compliance Time
within the next 50 hours in service after the effective date of this AD
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Affected Aircraft
Pratt & Whitney Aircraft of Canada, Limited JT15D-4 engines prior to Serial Number PCE-70111 and Pratt & Whitney Aircraft JT15D-4 engines prior to Serial Number P-70111 with Part Number 3023031 and 3023035 fuel manifold adapter assemblies.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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