SDR 2007UALA03307

Service difficulty report · Buss Bar · Airbus A320232

Difficulty date: August 21, 2007
Submitted: August 24, 2007
Operation: Air carrier
Aircraft: N437UA
Make and model: Airbus A320232
Aircraft serial: 655
Aircraft time: 37,890 hours, 13,304 cycles
Engine: Iae V2527A5
System (JASC): 2497 · Electrical Power System Wiring
Part: Buss Bar
Condition: Shorted
Location: Electrical
Stage of operation: CR
How discovered: O
Nature of condition: B
Precautionary procedure: A

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

What was found

FLIGHT DIVERTED DUE TO ELECTRICAL ODOR. FOUND 1 PHASE OF CB 3XN2(B US 2SUPPLY 204XP)MISSING, CB 3XN2 POPPED WITH CAP BROKEN. ALL USERS OF SOURCE 204XP POWER FAILED DOWNLINE. REPLACED CB 3XN2, AB2, BUS 2 204XP SUPPLY- INSPECTION FOR SHORTS IN WIRING BETWEEN CB , 3 PHASE BUSS BAR 2XP & 42XU4 CONTACTOR. CHECKED A LL ASSOCIATED WIRING ON BUSS BAR AND 094005 ALL WIRING UNDER 123VU. NO DEFECTS NOTED

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