Service difficulty report · Battery Pack · Boeing 777323

Difficulty date
December 16, 2022
Submitted
December 19, 2022
Operation
Air carrier
Aircraft
N727AN
Make and model
Boeing 777323
Aircraft serial
33541
Aircraft time
35,991 hours, 4,206 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 NOT GROUNDED: M33408 EMERGENCY POWER SUPPLY BATTERY PACK OUT CAUSING EMERGENCY LIGHTS INOPERATIVE IN R5 DOOR. REMOVED AND REPLACED R5 DOOR EMERGENCY POWER SUPPLY BATTERY PACK PER AMM 33-51-06-960-802.