AD 89-03-10
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
Uncommanded extension of three flight spoilers on one wing due to failure of a spoiler wheel command unit.
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Required Actions
Replace both spoiler wheel command units in accordance with Boeing Service Bulletin 757-27-0076. An alternate means of compliance or adjustment of compliance time may be used if approved by the Manager, Seattle Aircraft Certification Office.
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Compliance Time
within the next 24 months after the effective date of this AD, unless previously accomplished
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Affected Aircraft
Model 757 series airplanes as listed in Boeing Service Bulletin 757-27-0076 dated May 19, 1988, 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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