Service difficulty report · Battery Pack · Boeing 777323

Difficulty date
September 30, 2022
Submitted
October 4, 2022
Operation
Air carrier
Aircraft
N721AN
Make and model
Boeing 777323
Aircraft serial
31546
Aircraft time
37,929 hours, 4,359 cycles
Part
Battery Pack
Condition
Inoperative
Location
Emergency Lights
Stage of operation
IN
How discovered
V
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 WAS GROUNDED: L1 DOOR EMERGENCY LIGHTS DO NOT COME ON. REPLACED BATTERY PACK AS PER AMM 33-51-06 AT M33094.