Service difficulty report · Power Supply · Boeing 747422

Difficulty date
March 19, 2011
Submitted
March 22, 2011
Operation
Air carrier
Aircraft
N116UA
Make and model
Boeing 747422
Aircraft serial
26908
Aircraft time
50,115 hours, 5,917 cycles
Engine
Pwa PW4056
Part
Power Supply
Part number
20131A
Condition
Inoperative
Location
Cabin
Stage of operation
IN
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

DOOR 1R EMERGENCY LIGHTS FLASHING. REPLACED POWER SUPPLY AND BATTERY PACK, OPS CHECKED OKAY. REPLACED PER MM.