Service difficulty report · Battery · Boeing 777222

Difficulty date
December 17, 2022
Submitted
December 19, 2022
Operation
Air carrier
Aircraft
N796UA
Make and model
Boeing 777222
Aircraft serial
26931
Aircraft time
99,513 hours, 13,267 cycles
Part
Battery
Part number
ADD71701100
Part serial
287350
Condition
Inoperative
Location
L3 Door
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

B777-33-3-7019 CABIN L3 DR AFT EXIT IDENTIFIER AND 40ABC-43ABC CEILING EMER AREA LT CAPACITY CHECK FAIL (L3 M33405).TRANSFER REF HX.WO1319240 AND ORIGINATED BY V907889. CABIN L3 DR M33405 POWER SUPPLY BATTERY AND CHARGER REPALCED AND PERFORMED INSTALLATION TEST RESULT NORMAL AS PER AMM 33-51-06.WORK ACCOMPLISHED BY MECHANIC V934740 AND INSPECTED BY V898173.