AD Amdt-39-10010
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 737-100 | Airworthiness Directives; Boeing Model 737-100, -200, -300, -400, and -500 Series Airplanes |
Unsafe Condition
Contamination of hydraulic fluid from chrome plating chips in reworked aileron, elevator, or rudder power control unit (PCU) manifold cylinder bores could result in a reduced rate of movement of the elevator, aileron, or rudder.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect reworked aileron/elevator and rudder PCUs to check for manifold cylinder bores with chrome plating. Replace the cylinder bores with those reworked using the oversize method or steel sleeve method if necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 737-100, -200, -300, -400, and -500 series airplanes
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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