Service difficulty report · Battery · Boeing 777222

Difficulty date
October 9, 2022
Submitted
October 10, 2022
Operation
Air carrier
Aircraft
N781UA
Make and model
Boeing 777222
Aircraft serial
26945
Aircraft time
97,094 hours, 17,016 cycles
Part
Battery
Part number
ADD71701100
Part serial
147446
Condition
Inoperative
Location
Lh 2 Door
Stage of operation
IN
How discovered
O
Nature of condition
L
Precautionary procedure
O

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

What was found

OPERATIONAL TEST FND L/H DOOR NO.2 TO 25ABC CEILING EMER LIGHT INOP, REFER TO HAECO NR NO.9494136, ORIGINATED BY EMP V903529, SPEC NO. B777-33-3-7019. PERFORMED BY EMP V905416 IDT BY TA393, REPLACED L/H NO.2 DOOR EMERGENCY LT BATTERY, PERFORMED OP TEST, THE RESULT WAS NORMAL REF AMM 33-51-06-960-802 REV 96.