Service difficulty report · Battery · Boeing 777222

Difficulty date
April 3, 2022
Submitted
April 4, 2022
Operation
Air carrier
Aircraft
N220UA
Make and model
Boeing 777222
Aircraft serial
30223
Aircraft time
80,713 hours, 9,507 cycles
Part
Battery
Part number
ADD71701100
Part serial
231392
Condition
None
Location
L3 Door O/H
Stage of operation
IN
How discovered
O
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

L3 DOOR O/H EXIT SIGN FOUND DIM. TRANSFER REF NR HX WO.597218 AND ORIGINATED BY EMP NO. V896965. L3 DOOR O/H EXIT SIGN EMERGENCY POWER BATTERY REPLACED AND LIGHTING CHECK NORMAL AS PER AMM 33-51-00 (M33405). WORK ACCOMPLISHED BY MECHANIC V896965 INSPECTED BY V896992.