AD 79-11-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney Canada Corp. | PT6T-3 | PRATT & WHITNEY AIRCRAFT OF CANADA Model PT6T-3 and PT6T-6 Engines |
| engine | Pratt & Whitney Canada Corp. | PT6T-6 | PRATT & WHITNEY AIRCRAFT OF CANADA Model PT6T-3 and PT6T-6 Engines |
Unsafe Condition
Automatic fuel control contamination
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Required Actions
Install the P3 air filter and associated parts in accordance with Pratt & Whitney Aircraft of Canada, Ltd. Engine Service Bulletin No. 5124 thru Revision 3 or approved equivalent procedures and parts.
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Compliance Time
within the next 3000 hours in service after the effective date of this AD
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Affected Aircraft
Pratt & Whitney Aircraft of Canada PT6T-3 power sections prior to serial number CP-PS 61324 and PT6T-6 power sections prior to serial number CP-PS 72321
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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