AD 89-26-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 757-200 Series | Airworthiness Directives; BOEING Model 757 Series Airplanes |
| aircraft | The Boeing Company | 757-200CB Series | Airworthiness Directives; BOEING Model 757 Series Airplanes |
| aircraft | The Boeing Company | 757-200PF Series | Airworthiness Directives; BOEING Model 757 Series Airplanes |
| aircraft | The Boeing Company | 757-300 Series | Airworthiness Directives; BOEING Model 757 Series Airplanes |
Unsafe Condition
Unacceptable airframe vibration during flight due to missing bushings in the left and right elevator power control actuators.
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Required Actions
Conduct a one-time inspection of the left and right elevator power control actuator for missing bushings per Boeing Service Letter 757-SL-27-43. If any bushing is missing, install a new bushing before further flight. Submit a report of findings within 10 days after inspection completion to the specified FAA office.
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Compliance Time
within the next 60 days after the effective date of this AD, unless previously accomplished
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Affected Aircraft
Boeing Model 757 series airplanes listed in Boeing Service Letter 757-SL-27-43, dated May 3, 1989, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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