Service difficulty report · Battery · Boeing 777223

Difficulty date
September 23, 2021
Submitted
September 24, 2021
Operation
Air carrier
Aircraft
N790AN
Make and model
Boeing 777223
Aircraft serial
30251
Aircraft time
79,343 hours, 10,249 cycles
Part
Battery
Condition
Faulty
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 GROUNDED: 2L DOOR EMERGENCY POWER ASSIST SYSTEM GREEN INDICATOR LIGHT NOT FLASHING. REPLACED BATTERIES PER AMM 52-11-20.