Service difficulty report · Wire · Boeing 747422

Difficulty date
July 15, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N175UA
Make and model
Boeing 747422
Aircraft serial
24382
Engine
Pwa PW4056
Part
Wire
Part number
W207800120
Condition
Broken
Location
1 L Door
Stage of operation
UK
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

1L MED EMERGENCY SLIDE LIGHT (ON DOOR) ILLUMINATES WHEN POWER IS OFF AIRCRAFT. THIS PROBLEM WAS CAUSED BY A DISCONTINUITY IN THE CIRCUIT. A GROUND WIRE WAS FOUND BROKEN (ROUTING OF WIRE IS FROM DX317, PIN 1 TO GD6338). WIRE W2078-001-20 WAS REPLACED (REF WDM 33-51-22).