AD 82-26-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney Division | JT9D-7 | PRATT & WHITNEY AIRCRAFT Models JT9D-7, -7H, -7A, -7AH and JT9D-7F and JT9D-7J |
| engine | Pratt & Whitney Division | JT9D-7A | PRATT & WHITNEY AIRCRAFT Models JT9D-7, -7H, -7A, -7AH and JT9D-7F and JT9D-7J |
| engine | Pratt & Whitney Division | JT9D-7AH | PRATT & WHITNEY AIRCRAFT Models JT9D-7, -7H, -7A, -7AH and JT9D-7F and JT9D-7J |
| engine | Pratt & Whitney Division | JT9D-7F | PRATT & WHITNEY AIRCRAFT Models JT9D-7, -7H, -7A, -7AH and JT9D-7F and JT9D-7J |
| engine | Pratt & Whitney Division | JT9D-7H | PRATT & WHITNEY AIRCRAFT Models JT9D-7, -7H, -7A, -7AH and JT9D-7F and JT9D-7J |
| engine | Pratt & Whitney Division | JT9D-7J | PRATT & WHITNEY AIRCRAFT Models JT9D-7, -7H, -7A, -7AH and JT9D-7F and JT9D-7J |
Unsafe Condition
Fuel signal manifold cracking in operation
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Required Actions
Replace manifold assembly P/N 711391 with assembly P/N 783391, bracket P/N 5003038-01, and clamp P/N ST1104-06 in accordance with Pratt & Whitney Aircraft Service Bulletin Number 5202, Revision 2, dated August 16, 1982, or later revision approved by the Manager, Engine Certification Branch, New England Region.
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Compliance Time
prior to February 27, 1983
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Affected Aircraft
Pratt & Whitney Aircraft models JT9D-7, -7H, -7A, -7AH Engines prior to and including S/N 695827; JT9D-7F Engine S/Ns 695600 through 695614, S/N 702000, S/N 702001, S/N 702550 through 702557 and all engines prior to and including S/N 689635; JT9D-7J Engines prior to S/N 701697. Excluded: JT9D engines obtained by conversion without Service Bulletin 3741.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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