SDR UALA2012022801209

Service difficulty report · Wire · Boeing 777222

Difficulty date: February 27, 2012
Submitted: April 3, 2012
Operation: Air carrier
Aircraft: N771UA
Make and model: Boeing 777222
Aircraft serial: 26932
Aircraft time: 66,134 hours, 12,034 cycles
Engine: Pwa PW4077
System (JASC): 2597 · Equipment/Furnishings Wiring
Part: Wire
Condition: Burned
Location: Cargo Bay
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

WIRE BUNDLE FOUND BURNT WITH BARE WIRES IN AFT BULK CARGO PIT AT STA 1640, 1 FOOT LEFT OF CENTER UNDER FLOOR PANELS. CIRCUIT BREAKERS B1, B2, B3, B4 AND B5 POPPED ON P39 PANEL. LOCATED IN AFT CARGO NOT BULK CARGO. INSTALLED NEW WIRES AT D0 7318P PINS 1 THRU 15 AND ROUTED TO PRODUCTION SPLICE AREA REF WD M25-53-26&27. INSTALLED NEW WIRES AT D07330P PINS 12,16,18,AND 23.