Service difficulty report · Battery · Boeing 777223

Difficulty date
January 18, 2022
Submitted
January 25, 2022
Operation
Air carrier
Aircraft
N798AN
Make and model
Boeing 777223
Aircraft serial
30797
Aircraft time
79,232 hours, 10,283 cycles
Part
Battery
Part number
285W0955102
Condition
Failed
Location
Zone 800 - Doors
Stage of operation
IN
How discovered
C
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: DURING PASSENGER ENTRY DOOR EMERGENCY POWER ASSIST SYSTEM CIRCUITRY FUNCTIONAL CHECK, DOOR L3 EMERGENCY POWER ASSIST SYSTEM BATTERY CONTINUITY AMBER LIGHT FAILED TO ILLUMINATE. REMOVED AND REPLACED L3 DOOR, DOOR OPEN SWITCH (AALA202201247355) AND BATTERY P2 CHECK, PERFORMED OPERATIONS CHECK GOOD PER B777-200 AMM 52-11-28, AMM 52-11-20, WDM 52-11-15.