Service difficulty report · Power Supply · Boeing 747422

Difficulty date
May 11, 2013
Submitted
June 26, 2013
Operation
Air carrier
Aircraft
N104UA
Make and model
Boeing 747422
Aircraft serial
26902
Aircraft time
62,998 hours, 7,313 cycles
Engine
Pwa PW4056
Part
Power Supply
Part number
20131A
Condition
Inoperative
Location
Emergency Lights
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

EMERGENCY EXIT SIGN AFT OF L2 DOOR IS INOPERATIVE. REPLACED POWER SUPPLY IAW AMM 33-51-04 ,SSM 33-51-06, OPS NORMAL.