Service difficulty report · Battery · Boeing 777323ER

Difficulty date
November 1, 2023
Submitted
November 4, 2023
Operation
Air carrier
Aircraft
N725AN
Make and model
Boeing 777323ER
Aircraft serial
41666
Aircraft time
41,260 hours, 4,745 cycles
Part
Battery
Part number
BPAS105
Part serial
2262
Condition
Inoperative
Location
Zone 800 - Doors
Part time
2,502 hours, 277 cycles
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 WAS NOT GROUNDED: DOOR 3L EMERGENCY POWER ASSIST SYSTEM BATTERY TEST FAILED. REPLACED EMERGENCY POWER ASSIST SYSTEM BATTERY PACK AT DOOR 3L.