Service difficulty report · Battery Pack · Boeing 777223

Difficulty date
July 28, 2020
Submitted
July 30, 2020
Operation
Air carrier
Aircraft
N760AN
Make and model
Boeing 777223
Aircraft serial
31477
Aircraft time
72,518 hours, 9,126 cycles
Part
Battery Pack
Part number
D71702001
Condition
Inoperative
Location
Emergency Lights
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, FOUND EMERGENCY LIGHTS OUT AT CREW REST AREA WALL. REPLACED BATTERY PACK M33400 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK IAW AMM 33-51-06.