SDR UALA2009032000848

Service difficulty report · Wire · Boeing 757222

Difficulty date: March 19, 2009
Submitted: March 23, 2009
Operation: Air carrier
Aircraft: N545UA
Make and model: Boeing 757222
Aircraft serial: 25323
Aircraft time: 65,768 hours, 19,065 cycles
Engine: Pwa PW2037
System (JASC): 7997 · Engine Oil System Wiring
Part: Wire
Condition: Shorted
Location: Oil System
Stage of operation: IN
How discovered: O
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

L OIL SCAV VALVE STATUS MSG. FOUND WIRE W3384-1005-18 SHORTED TO GROUND POPPING C-B C1482 T-R CONT-SCAV PRESS-L. SHORT IS BETWEEN CONNECTOR D41948P AT P36 PANEL AND CONNECTOR D5020 AT LEFT ENG T-R ISOLATION VALVE. T/S SYSTEM SUSPECT SHORT IS IN NR 1 ENG SAIL TAIL GOING UP TO PYLON OVER ENG, VERY LIMITED ACCESS. SUGGEST REPLACING WIRE. WIRE ON HAND (564-1452). CONNECTORS ON AOG 566-1548 AND 563-1775. REPAIRED WIRING PER GNMM 2-0-15-001. RE-ASSEMBLED CLAMPS, CONNECTORS, LACING.