Service difficulty report · Power Supply · Boeing 747422

Difficulty date
December 16, 2004
Submitted
December 21, 2004
Operation
Air carrier
Aircraft
N120UA
Make and model
Boeing 747422
Aircraft serial
29166
Aircraft time
22,528 hours, 2,842 cycles
Engine
Pwa PW4056
Part
Power Supply
Part number
20131A
Condition
Discharged
Location
Emergency Light
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AFT EMERGENCY EXIT SIGN INOP. REPLACED CHARGER AND BATTERY PACK TO DM5934 CONNECTOR.