Service difficulty report · Battery Pack · Boeing 777223

Difficulty date
November 16, 2023
Submitted
November 20, 2023
Operation
Air carrier
Aircraft
N783AN
Make and model
Boeing 777223
Aircraft serial
30004
Aircraft time
91,720 hours, 11,362 cycles
Part
Battery Pack
Part number
D71701001
Condition
No Test
Location
Zone 200 - Fuse
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 IN BASE MAINTENANCE: EMERGENCY BATTERY PACK (M33094) FAILED DEEP CYCLE TEST AT R1 ENTRY DOOR. MAINTENANCE REPLACED POWER SUPPLY AT R1 ENTRY DOOR IAW B777-2 AMM 33-51-06-960-803.