AD 74-26-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney Canada Corp. | JT15D-1 | PRATT & WHITNEY AIRCRAFT and UNITED AIRCRAFT OF CANADA, LIMITED Model JT15D-1 and JT15D-4 Engines |
| engine | Pratt & Whitney Canada Corp. | JT15D-4 | PRATT & WHITNEY AIRCRAFT and UNITED AIRCRAFT OF CANADA, LIMITED Model JT15D-1 and JT15D-4 Engines |
Unsafe Condition
Fuel leaks due to possible interference between the fuel outlet housing (P/N 3240082) and the fuel control main body (P/N 3240451).
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Required Actions
Inspect fuel control units using a .003 inch feeler gauge between the mating faces of the fuel outlet housing and fuel control main body. Replace fuel control units if the feeler gauge can be inserted between the mating faces prior to next flight.
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Compliance Time
within the next 25 hours time in service after the effective date of this AD unless already accomplished
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Affected Aircraft
Pratt & Whitney Aircraft and United Aircraft of Canada Limited JT15D-1 and JT15D-4 turbofan engines with fuel control part numbers 3022332 and 3023349
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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