Service difficulty report · Warning System · Boeing 747422

Difficulty date
August 21, 2007
Submitted
August 24, 2007
Operation
Air carrier
Aircraft
N117UA
Make and model
Boeing 747422
Aircraft serial
28810
Aircraft time
34,389 hours, 4,384 cycles
Engine
Pwa PW4056
Part
Warning System
Condition
Activated
Location
Apu Battery
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

TAXI INBOUND APU BATTERY STATUS MESSAGE. REPLACED APU BATTERY AND APU BATTERY CHARGER, CHARGING SYSTEM GROUND OPS NORMALLY.