Service difficulty report · Power Supply · Boeing 747422

Difficulty date
March 18, 2006
Submitted
March 28, 2006
Operation
Air carrier
Aircraft
N128UA
Make and model
Boeing 747422
Aircraft serial
30023
Aircraft time
23,159 hours, 2,939 cycles
Engine
Pwa PW4056
Part
Power Supply
Part number
20131A
Condition
Inoperative
Location
Emergency Light
Stage of operation
IN
How discovered
9
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

EMERGENCY LIGHTS INOP AT CABIN UPPER DECK CEILING, DOOR 1R EMERGENCY EXIT LIGHT, AND DOOR L1 & L3 EMERGENCY LIGHTS.