Service difficulty report · Battery Pack · Boeing 747422

Difficulty date
October 16, 2012
Submitted
October 17, 2012
Operation
Air carrier
Aircraft
N178UA
Make and model
Boeing 747422
Aircraft serial
24385
Aircraft time
91,677 hours, 11,044 cycles
Engine
Pwa PW4056
Part
Battery Pack
Part number
582233
Condition
Discharged
Location
Cabin
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 LIGHT ROW 33 THRU 43 INOP. REPLACED BATTERY PACK LIGHTS, OP CHECKED NORMAL.