AD Amdt-39-12940

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 737 Series Airplanes

AD Number
Amdt-39-12940
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2001-NM-251-AD
FR Citation
67 FR 67518

Applicability

TypeManufacturerModelDetails
aircraft Boeing 737 Airworthiness Directives; Boeing Model 737 Series Airplanes

Unsafe Condition

Uncommanded rudder hardover event and consequent loss of control of the airplane due to inherent failure modes, including single-jam modes, and certain latent failures or jams combined with a second failure or jam.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Install a new rudder control system and make corresponding changes to adjacent systems. Ensure compliance with four existing ADs until the new rudder control system is installed.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

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Affected Aircraft

All Boeing Model 737 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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