Service difficulty report · Battery · Boeing 767322

Difficulty date
January 3, 2009
Submitted
January 8, 2009
Operation
Air carrier
Aircraft
N672UA
Make and model
Boeing 767322
Aircraft serial
30027
Aircraft time
32,841 hours, 8,805 cycles
Engine
Pwa PW4056
Part
Battery
Part number
18550000
Condition
Discharged
Location
Apu
Stage of operation
IN
How discovered
O
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

APU FAILED TO START-3 ATTMPTS-N1 REACHED 30%-EGT777-THEN AUTO-SHUTDOWN. APU BATTERY, VOLT LOW WHEN CRANKING. REPLACED BATTERY, APU STARTS OKAY.