Service difficulty report · Charger · Boeing 777222

Difficulty date
December 4, 2023
Submitted
December 5, 2023
Operation
Air carrier
Aircraft
N782UA
Make and model
Boeing 777222
Aircraft serial
26948
Aircraft time
106,718 hours, 14,165 cycles
Part
Charger
Part number
D71702030
Part serial
16720
Condition
Failed
Location
L2 M33096
Stage of operation
IN
How discovered
C
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, DR L2 EMER LIGHT BATTERY PACK M33096 CAPACITY CHECK FAILED. TRANSFER HX NON-ROUTINE WO.2449365 AND . DR L2 M33096 EMER LIGHT BATTERY AND BATTERY CHARGER REPLACED AND TESTED NORMAL AS PER AMM33-51-06.