Service difficulty report · Battery Pack · Boeing 777223

Difficulty date
July 20, 2021
Submitted
July 21, 2021
Operation
Air carrier
Aircraft
N787AL
Make and model
Boeing 777223
Aircraft serial
30010
Aircraft time
83,550 hours, 10,191 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: CROSS AISLE EMERGENCY LIGHT ADJACENT TO LAVATORY 1A-L INOPERATIVE. REMOVED AND REPLACED BATTERY PACK AND CHARGER M33093 IAW MM 33-51-06.