AD 2018-04-12

final rule
Data completeness: 70%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2018-04-12
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2017-0900
FR Citation
83 FR 9178

Applicability

TypeManufacturerModelDetails
aircraft Boeing Company Airworthiness Directives; The Boeing Company Airplanes

Unsafe Condition

electrical arcing between the fuel boost pump power cable wiring and the surrounding conduit, which could lead to arc-through of the conduit, consequent fire or explosion of the fuel tank, and subsequent loss of the airplane.

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

Required Actions

installation of new shielded wire bundles and convoluted liners within fuel tank conduits, and revision of the maintenance or inspection program, as applicable, to incorporate certain airworthiness limitations (AWLs).

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

Compliance Time

Within 50 flight hours

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

Affected Aircraft

all The Boeing Company Model 737-100, -200, -200C, -300, -400, -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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