AD 2001-22-11

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 737-600, -700, and -800 Series Airplanes

AD Number
2001-22-11
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 99-NM-62-AD
FR Citation
66 FR 55072

Applicability

TypeManufacturerModelDetails
aircraft Boeing 737-600 Airworthiness Directives; Boeing Model 737-600, -700, and -800 Series Airplanes

Unsafe Condition

Loss of electrical power from engine-driven generators or auxiliary power unit due to overheating, melting, and subsequent failure of power feeder terminals at the power distribution panels (PDPs).

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

Required Actions

Inspect power distribution panels (PDPs) to verify proper installation of power feeder terminals and associated hardware, and perform corrective actions if necessary. Perform repetitive torque checks of terminal attachment screws. Replace PDP rigid bus assembly with a new assembly having the same part number as the removed part. Optional terminating action: Replace existing PDP rigid bus assemblies with new, improved assemblies to terminate repetitive torque checks and replacements.

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

Compliance Time

Within 1,000 flight hours after every eighth torque check for repetitive replacement of PDP rigid bus assembly.

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

Affected Aircraft

Boeing Model 737-600, -700, and -800 series airplanes equipped with PDPs bearing any of the Boeing part numbers in the 'Existing Part Number' column of the table under paragraph 2.E., 'Existing Parts Accountability,' of Boeing Service Bulletin 737-24-1128.

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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