Service difficulty report · Battery · Boeing 777222

Difficulty date
August 16, 2022
Submitted
August 17, 2022
Operation
Air carrier
Aircraft
N210UA
Make and model
Boeing 777222
Aircraft serial
30216
Aircraft time
73,905 hours, 15,641 cycles
Part
Battery
Part number
ADD71701100
Condition
Low
Location
L1 Door
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

FOUND CABIN OVERDOOR L1 EMERGENCY LIGHT POWER SUPPLY LOW BATTERY (M33093) - ORIGINATED BY EMP V905400 ON HAECO NR 9491799, SPEC N O.B777-33-3-7021. PERFORMED BY EMP V905400, IDT BY TA317 V905467, REPLACED CABIN O VERDOOR L1 EMERGENCT LIGHT POWER SUPPLY BATTERY, AND PERFORMED T HE INSTALLATION TEST, THE RESULT FOUND NORMAL, REF AMM 33-51-06- 960-802 REV 95.