Service difficulty report · Battery Pack · Boeing 747422

Difficulty date
February 23, 2009
Submitted
February 25, 2009
Operation
Air carrier
Aircraft
N128UA
Make and model
Boeing 747422
Aircraft serial
30023
Aircraft time
35,914 hours, 4,329 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

SEVERAL EMERGENCY EXIT LIGHTS INOP AT DOOR 1L AREA. REPLACED BATTERY PACK, OP CHECKS OKAY.