Service difficulty report · Battery · Boeing 777223

Difficulty date
October 17, 2023
Submitted
October 17, 2023
Operation
Air carrier
Aircraft
N778AN
Make and model
Boeing 777223
Aircraft serial
29587
Aircraft time
94,250 hours, 11,744 cycles
Part
Battery
Part number
131W18003401
Condition
Inoperative
Location
Zone 800 - Doors
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 3R EMERGENCY POWER ASSIST SYSTEM (EPAS) BATTERY NOT WORKING. REMOVED AND REPLACED EPAS BATTERY ON DOOR 3R. FUNCTIONAL CHECK GOOD. PER AMM 52-11-20.