AD 2017-04-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Uncommanded extension of multiple spoiler panels on one wing in the event of a hydraulic system failure, which could result in the loss of control of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace certain spoiler power control units (PCUs) with new or changed PCUs in accordance with specified service information.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 51 months after the effective date of the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
The Boeing Company Model 757 airplanes, as specified in the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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