Service difficulty report · Power Supply · Boeing 747422

Difficulty date
November 16, 2013
Submitted
November 22, 2013
Operation
Air carrier
Aircraft
N174UA
Make and model
Boeing 747422
Aircraft serial
24381
Aircraft time
92,997 hours, 10,328 cycles
Engine
Pwa PW4056
Part
Power Supply
Condition
Inoperative
Location
Cabin
Stage of operation
NR
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

AISLE OVERHEAD EMERGENCY EXIT LIGHT SIGN FWD OF 5L MED INOPERATIVE. REPLACED POWER SUPPLY OPERATIONS CHECKED OK. VERIFIED SECURITY OF INSTALLATION & VERIFIED OVERHEAD EMERGENCY EXIT LIGHTS AT DOOR 5L OPERATIONS CHECKED OKAY.