Service difficulty report · Battery · Boeing 747422

Difficulty date
August 15, 2008
Submitted
August 28, 2008
Operation
Air carrier
Aircraft
N120UA
Make and model
Boeing 747422
Aircraft serial
29166
Aircraft time
38,724 hours, 4,650 cycles
Engine
Pwa PW4056
Part
Battery
Part number
20131A
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

EMERGENCY LIGHT AT DOOR 2R FLASHES INTERMITTENTLY. *S/D* REPLACED POWER SUPPLY BATTERY ASSY, OP CHECKS OKAY.