AD 75-04-08

final rule
Data completeness: 70%

BOEING Model 737 Airplanes

AD Number
75-04-08
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft The Boeing Company 737-100 Series BOEING Model 737 Airplanes
aircraft The Boeing Company 737-200 Series BOEING Model 737 Airplanes
aircraft The Boeing Company 737-200C Series BOEING Model 737 Airplanes
aircraft The Boeing Company 737-300 Series BOEING Model 737 Airplanes
aircraft The Boeing Company 737-400 Series BOEING Model 737 Airplanes
aircraft The Boeing Company 737-500 Series BOEING Model 737 Airplanes
aircraft The Boeing Company 737-600 Series BOEING Model 737 Airplanes
aircraft The Boeing Company 737-700 Series BOEING Model 737 Airplanes
aircraft The Boeing Company 737-800 Series BOEING Model 737 Airplanes

Unsafe Condition

Failure of the 'B' hydraulic system electrical wiring and other systems wiring which use a common wire bundle.

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

Required Actions

Replace the 'B' hydraulic system electrical pump spliced wires in accordance with Boeing Service Bulletin 29-1004, Revision 1, dated April 2, 1969, or later FAA approved revisions, or in an equivalent manner approved by the Chief, Engineering and Manufacturing Branch, FAA Northwest Region.

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

Compliance Time

within the next 1,000 hours time in service after the effective date of this AD

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Affected Aircraft

Boeing Model 737 airplanes listed under Group I in Boeing Service Bulletin 29-1004, Revision 1, dated April 2, 1969, or later FAA approved revisions.

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

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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