AD 93-15-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney Division | JT9D-59A | PRATT AND WHITNEY Models JT9D-59A, -70A, -7Q, and -7Q3 Engines |
| engine | Pratt & Whitney Division | JT9D-70A | PRATT AND WHITNEY Models JT9D-59A, -70A, -7Q, and -7Q3 Engines |
| engine | Pratt & Whitney Division | JT9D-7Q | PRATT AND WHITNEY Models JT9D-59A, -70A, -7Q, and -7Q3 Engines |
| engine | Pratt & Whitney Division | JT9D-7Q3 | PRATT AND WHITNEY Models JT9D-59A, -70A, -7Q, and -7Q3 Engines |
Unsafe Condition
Fuel nozzle distress which can result in an uncontained lenticular seal failure, and an inflight engine shutdown.
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Required Actions
Modify the fuel nozzle and support assembly with Part Numbers 795094, 5004189-01, 795090, and 5003981-01 in accordance with Part 1 and Part 2 of Pratt & Whitney Service Bulletin 5566, Revision 4. Alternative methods of compliance may be approved by the Engine Certification Office.
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Compliance Time
Required prior to June 30, 1994, unless accomplished previously.
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Affected Aircraft
Pratt & Whitney JT9D-59A, -70A, -7Q, and -7Q3 engines installed on Boeing 747, Airbus A300, and McDonnell Douglas DC10 aircraft.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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