AD 2004-15-04

final rule
Data completeness: 70%

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

AD Number
2004-15-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 99-NM-78-AD
FR Citation
69 FR 44580

Applicability

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

Unsafe Condition

Contamination of the fueling float switch by moisture or fuel, and chafing of the float switch wiring against the fuel tank conduit, which could present an ignition source inside the fuel tank that could cause a fire or explosion.

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

Required Actions

Replace the float switches in the center and wing fuel tanks with new, improved parts; install a conduit liner system in the center fuel tank; replace conduit assemblies in the wing fuel tanks with new parts; and for certain airplanes, replace certain existing sections of the electrical conduit in the center fuel tank with new conduit.

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

Compliance Time

Within 2 years of the effective date (August 31, 2004).

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

Affected Aircraft

Boeing Model 737-200, -200C, -300, -400, and -500 Series airplanes, with specific applicability adjustments as noted in the AD.

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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