Service difficulty report · Battery · Boeing 777323ER

Difficulty date
March 18, 2023
Submitted
March 21, 2023
Operation
Air carrier
Aircraft
N722AN
Make and model
Boeing 777323ER
Aircraft serial
31547
Aircraft time
38,793 hours, 4,595 cycles
Part
Battery
Part number
BPAS105
Condition
Discharged
Location
Zone 800 - Doors
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

AIRCRAFT IN BASE MAINTENANCE: R3 DOOR EMERGENCY POWER ASSIST SYSTEM (EPAS) BACKUP BATTERY DOES NOT CHARGE. REPLACED BATTERY AND ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.