Service difficulty report · Battery · Boeing 777323ER

Difficulty date
December 6, 2023
Submitted
December 19, 2023
Operation
Air carrier
Aircraft
N728AN
Make and model
Boeing 777323ER
Aircraft serial
31553
Aircraft time
40,348 hours, 4,677 cycles
Part
Battery
Part number
BPAS105
Condition
Discharged
Location
Zone 800 - Doors
Stage of operation
IN
How discovered
C
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

AIRCRAFT IN BASE MAINTENANCE: L3 DOOR EMERGENCY POWER ASSIST SYSTEM BATTERY WILL NOT CHARGE. MAINTENANCE REPLACED BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.