Service difficulty report · Battery Pack · Boeing 747422

Difficulty date
December 1, 2007
Submitted
December 4, 2007
Operation
Air carrier
Aircraft
N121UA
Make and model
Boeing 747422
Aircraft serial
29167
Aircraft time
36,290 hours, 4,401 cycles
Engine
Pwa PW4056
Part
Battery Pack
Part number
582233
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 CEILING LIGHTS FROM ROW 35 TO 44 LT & RT ARE INOP. REPLACED BATTERY.