Service difficulty report · Battery Pack · Boeing 747422

Difficulty date
February 23, 2007
Submitted
March 6, 2007
Operation
Air carrier
Aircraft
N116UA
Make and model
Boeing 747422
Aircraft serial
26908
Aircraft time
33,375 hours, 4,047 cycles
Engine
Pwa PW4056
Part
Battery Pack
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

UPPER DECK LEFT ESCAPE DOOR BATTERY PACK INOP. SWAPPED BAT PACKS AND FOUND BAT PACK INOP. REPLACED BAD BATTERY PACK. SYSTEM OP CHECKED OK FOR SERVICE.