AD Amdt-39-11166

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 737-300, -400, -500, -600, -700, and -800 Series Airplanes Equipped with Vickers Combined Stabilizer Trim Motors

AD Number
Amdt-39-11166
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 99-NM-97-AD
FR Citation
64 FR 25426

Applicability

TypeManufacturerModelDetails
aircraft Boeing 737-300 Airworthiness Directives; Boeing Model 737-300, -400, -500, -600, -700, and -800 Series Airplanes Equipped with Vickers Combined Stabilizer Trim Motors

Unsafe Condition

Failure of the trailing edge flap limit switch can cause uncommanded stabilizer trim motion, resulting in reduced controllability of the airplane.

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

Required Actions

Inspect and functionally test the trailing edge flap limit switch to verify proper operation. Replace the existing limit switch with a new one if necessary. Modify the stabilizer control system as a terminating action for the repetitive inspections and tests.

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 737-300, -400, -500, -600, -700, and -800 series airplanes equipped with Vickers Combined Stabilizer Trim Motors.

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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