AD 2001-01-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 737-300 | Airworthiness Directives; Boeing Model 737-300, -400, and -500 Series Airplanes |
Unsafe Condition
Chafing of the fuel quantity indicating system (FQIS) wiring and the surrounding structure, which, in conjunction with another wiring failure outside the fuel tank, could result in fire or explosion of the fuel tank.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a one-time detailed visual inspection of the FQIS wiring and fuel tubing on the inboard side of the right wing rib wing buttock line (WBL) 227 and on the aft side of stringer No. 13 to determine clearance between the FQIS wire harness and the refuel tube and tube coupling, and to detect any loose or broken refuel tube clamp or bracket or chafing of the FQIS wire harness. Take corrective actions if necessary.
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Compliance Time
Within 6 months of the effective date.
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Affected Aircraft
All Boeing Model 737-300, -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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