AD 65-17-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 727-100 Series | BOEING: Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-100C Series | BOEING: Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-200 Series | BOEING: Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-200F Series | BOEING: Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727 Series | BOEING: Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727C Series | BOEING: Model 727 Series Airplanes |
Unsafe Condition
Failure of the thrust reverser lockout actuator piston (P/N 65-37853-2) could result in inadvertent thrust reversing from failure to the locking pin.
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Required Actions
Replace the thrust reverser lockout actuator piston, P/N 65-37853-2, with P/N 65-37853-3 on each engine, following Boeing Alert Service Bulletin No. 78-18 or later FAA-approved revision, or an equivalent approved by the FAA.
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Compliance Time
within the next 600 hours' time in service after the effective date of this AD unless already accomplished
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Affected Aircraft
Boeing Model 727 Series Airplanes including 727-100, 727-100C, 727-200, 727-200F, 727 Series, and 727C Series
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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