SDR UIEA2021020200203

Service difficulty report · Circuit Breaker · Boeing 76737D

Difficulty date: February 2, 2021
Submitted: February 3, 2021
Operation: Air carrier
Aircraft: N1327A
Make and model: Boeing 76737D
Aircraft serial: 26328
Aircraft time: 87,803 hours, 13,576 cycles
System (JASC): 2820 · Aircraft Fuel Distribution System
Part: Circuit Breaker
Condition: Popped
Location: Lt Spar Fuel Val
Stage of operation: UK
How discovered: V
Nature of condition: O
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LEFT SPAR FUEL VALVE CB POPPED. TROUBLE SHOT IAW ACTION PLAN AP-18948, NO RESOLUTION, BROKE SYSTEM AT SP464 AND SP1754 AND RESPLICED, STILL BAD SHORT TO GROUND. REMOVED CLAMPS ON WIRE RUN FOUND WIRE CHAFED UNDER A CLAMP, SPLICED WIRE SHIELD WITH PN D-436-37 PER SWP 20, OPS CHECK GOOD IAW AMM 80-11-00.

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