Service difficulty report · Battery Pack · Boeing 747422

Difficulty date
April 21, 2012
Submitted
April 25, 2012
Operation
Air carrier
Aircraft
N122UA
Make and model
Boeing 747422
Aircraft serial
29168
Aircraft time
53,302 hours, 6,298 cycles
Engine
Pwa PW4056
Part
Battery Pack
Part number
20131A
Condition
Inoperative
Location
Emergency Light
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 3R EXIT EMERGENCY SIGN IS INOPERATIVE. REPLACED BATTERY PACK FOR LIGHT ASSY, OPS NORMAL.