Service difficulty report · Battery · Boeing 747422

Difficulty date
February 28, 2012
Submitted
March 1, 2012
Operation
Air carrier
Aircraft
N118UA
Make and model
Boeing 747422
Aircraft serial
28811
Aircraft time
52,493 hours, 6,324 cycles
Engine
Pwa PW4056
Part
Battery
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

UPPER DECK EMERGENCY STAIRS AND STAIRS WALL LIGHTS INOP. REPLACED BATTERY M5939 REF SCM 33-51-06. EMERGENCY LIGHTS OPS CHECK NORMAL.