Service difficulty report · Battery Pack · Boeing 777222

Difficulty date
November 8, 2022
Submitted
November 9, 2022
Operation
Air carrier
Aircraft
N781UA
Make and model
Boeing 777222
Aircraft serial
26945
Aircraft time
97,094 hours, 17,016 cycles
Part
Battery Pack
Part number
D71702001
Part serial
3182
Condition
Inoperative
Location
Emergency Lights
Stage of operation
IN
How discovered
9
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

DOOR 1L AFTER EMERGENCY LIGHT POWER PACK CAN NOT BE CHARGED UP. PERFORMED T/S AS PER FIM 33-51 TASK 8 OPERATION TEST AND RESULT NORMAL AS PER AMM 33-51-00-710-801 REV 6 REV96. REPLACED DOOR 1L AFT BATTERY PACK AS PER AMM 33-51-06-9 96. 6-802 REV96. REPLACED THE POWER SUPPLY AT DOOR 1L AFTER POSTION AS PER AMM 33-51-06-960-803 REV96. PERFROMED EMERGENCY LIGHTS