AD Amdt-39-11432

Recurring final rule
Data completeness: 70%

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

AD Number
Amdt-39-11432
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 99-NM-260-AD
FR Citation
64 FR 66368

Applicability

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

Unsafe Condition

Failure of the airplane battery and a certain diode of the Generator Control Units (GCU) could lead to loss of all electrical power, resulting in the inability to continue safe flight and landing.

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

Required Actions

Replace the airplane battery with a new or reconditioned battery. Replace the battery charger with a new or serviceable battery charger. Perform repetitive tests on a certain diode of the Generator Control Units (GCU) to determine its condition. Take corrective actions if necessary.

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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