Service difficulty report · Battery Pack · Boeing 777323

Difficulty date
December 6, 2022
Submitted
December 12, 2022
Operation
Air carrier
Aircraft
N720AN
Make and model
Boeing 777323
Aircraft serial
33522
Aircraft time
38,019 hours, 4,445 cycles
Part
Battery Pack
Part number
BPAS105
Condition
No Test
Location
L3 Door Backup
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: L3 DOOR BACKUP BATTERY TEST FAILED. REPLACED L3 DOOR BACKUP BATTERY PER AMM 52-12-24.