AD 2018-22-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
incorrect no-back brake rotor-stator stack sequence during manufacturing, which could cause accelerated unit wear that will eventually reduce braking performance, leading to loss of no-back brake function and reduced controllability of the airplane.
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Required Actions
inspect the inboard and outboard trailing edge flap rotary actuator for any discrepant rotary actuator, and corrective actions if necessary, including replacement of the discrepant rotary actuator with a nondiscrepant rotary actuator, and a functional test of the trailing edge flap no-back brake.
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Compliance Time
Within 50 flight hours
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Affected Aircraft
The Boeing Company Model 787-8 and 787-9 airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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