Service difficulty report · Circuit Breaker · Boeing 757222

Difficulty date
February 9, 2007
Submitted
February 16, 2007
Operation
Air carrier
Aircraft
N558UA
Make and model
Boeing 757222
Aircraft serial
26654
Aircraft time
48,798 hours, 17,931 cycles
Engine
Pwa PW2037
Part
Circuit Breaker
Condition
Tripped
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

DOOR GIRT BAR C/B TRIPS AFTER DOORS ARMED. FOUND DOOR ARM LIGHT SOCKET MISALIGNED WITH RECEPTICAL HOLE BEHIND UPPER TRIM PANEL, FORCING LUGS TOGETHER AND SHORTING OUT CAUSING CIRCUIT BREAKER TO POP. STRAIGHTENED LUGS AND REALIGNED SOCKET, CB STAYS IN, BUT ARM LIGHT STAYS ON, SUSPECT SENSOR BAD (CAUSED BY SHORTED WIRES ON LIGHT ASSY)