Service difficulty report · Battery Pack · Boeing 777323ER

Difficulty date
April 25, 2025
Submitted
April 25, 2025
Operation
Air carrier
Aircraft
N722AN
Make and model
Boeing 777323ER
Aircraft serial
31547
Aircraft time
47,726 hours, 5,596 cycles
Part
Battery Pack
Part number
BPAS105
Condition
No Test
Location
Zone 200
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 EPAS BACK UP BATTERY FAILED TEST. MAINTENANCE REMOVED UNSERVICEABLE R3 DOOR EPAS BACK UP BATTERY PACK AND REPLACED WITH SERVICEABLE BATTERY PACK AND OPS CHECK GOOD IAW: B777AMM 52-12-19.