Service difficulty report · Battery Pack · Boeing 747422

Difficulty date
September 12, 2011
Submitted
September 14, 2011
Operation
Air carrier
Aircraft
N128UA
Make and model
Boeing 747422
Aircraft serial
30023
Aircraft time
46,131 hours, 5,494 cycles
Engine
Pwa PW4056
Part
Battery Pack
Part number
S1356B37
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 SIDEWALL DOOR 1R, 2 LIGHT INOP. REPAIRED BROKEN WIRE AND REPLACED BATTERY PACK AND CHARGER.