Service difficulty report · Battery Pack · Boeing 777223

Difficulty date
March 23, 2022
Submitted
March 24, 2022
Operation
Air carrier
Aircraft
N781AN
Make and model
Boeing 777223
Aircraft serial
29586
Aircraft time
83,823 hours, 10,419 cycles
Part
Battery Pack
Part number
D71702001
Part serial
176312
Condition
Inoperative
Location
Zone 200 - Fuse
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: PASSENGER CABIN EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY BACK PER AMM 33-51-06-960-802. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.