AD Amdt-39-9966

final rule
Data completeness: 70%

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

AD Number
Amdt-39-9966
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 96-NM-67-AD
FR Citation
62 FR 12739

Applicability

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

Unsafe Condition

Sticking conditions in the rudder trim switch could result in uncommanded movement of the rudder and consequent deviation of the airplane from its set course.

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

Required Actions

Replace certain aileron/rudder trim control modules with an improved module containing an improved rudder trim switch to prevent sticking.

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, 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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.

View Official Source ↗ Find More ADs for Boeing 737-300

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