AD Amdt-39-10061
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 737-100 | Airworthiness Directives; Boeing Model 737-100, -200, -300, -400, and -500 Series Airplanes |
Unsafe Condition
Fracturing of the vernier control rod bolts due to the shank of the bolt engaging the threads on the nutplate during installation, which could result in uncommanded movements of the rudder and reduced controllability.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the vernier control rod bolts and main rudder power control unit (PCU) with newly designed units. Conduct leak tests of the PCU and replace it with a serviceable or newly designed unit 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Boeing Model 737-100, -200, -300, -400, and -500 series airplanes covered by the superseded ADs.
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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