Service difficulty report · Battery · Boeing 777223

Difficulty date
November 16, 2020
Submitted
November 19, 2020
Operation
Air carrier
Aircraft
N755AN
Make and model
Boeing 777223
Aircraft serial
30263
Aircraft time
75,767 hours, 9,515 cycles
Part
Battery
Part number
285W0955102
Part serial
F10325
Condition
Failed
Location
Door Assist
Stage of operation
IN
How discovered
O
Nature of condition
O
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. DOOR 1R EMERGENCY POWER ASSIST SYSTEM BATTERY TEST FAILED. REMOVED AND REPLACED DOOR 1R EMERGENCY POWER ASSIST SYSTEM BATTERY PACK, PER AMM 25-11-20.