Service difficulty report · Battery · Boeing 777222

Difficulty date
December 9, 2022
Submitted
December 12, 2022
Operation
Air carrier
Aircraft
N797UA
Make and model
Boeing 777222
Aircraft serial
26924
Aircraft time
98,605 hours, 12,887 cycles
Part
Battery
Part number
ADD717010100
Part serial
65415
Condition
Failed
Location
Dr R3 M33401
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DR R3 EMER LT BATTERY M33401 CAPACITY CHECK FAIL. TRANSFER REF NR HX WO.1281584 AND ORIGINATED BY EMP NO.V898181. DR R3 EMER LT BATTERY M33401 REPLACED AND TESTED NORMAL AS PER AMM 33-51-06. WORK ACCOMPLISHED BY MECHANIC V898181 INSPECTED BY V896958.