AD Amdt-39-10912

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 737-100, -200, -300, -400, and -500 Series Airplanes

AD Number
Amdt-39-10912
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 97-NM-157-AD
FR Citation
63 FR 64857

Applicability

TypeManufacturerModelDetails
aircraft Boeing 737-100 Airworthiness Directives; Boeing Model 737-100, -200, -300, -400, and -500 Series Airplanes

Unsafe Condition

Potential failures within the yaw damper system could lead to sudden uncommanded yawing of the airplane.

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

Required Actions

Inspect the engage solenoid valve of the yaw damper on the rudder power control unit to determine its part number. Replace the valve with one having a different part number, if necessary.

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

Compliance Time

Within the compliance time specified in the original AD.

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

Affected Aircraft

All 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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