Service difficulty report · Battery · Boeing 777222

Difficulty date
December 14, 2024
Submitted
December 16, 2024
Operation
Air carrier
Aircraft
N798UA
Make and model
Boeing 777222
Aircraft serial
26928
Aircraft time
108,011 hours, 14,390 cycles
Part
Battery
Part number
ADD71701100
Condition
No Test
Location
Zone 200
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

DR 1 LH OVERHEAD PANEL EMER LT BATTERY PACK (M33093) CAPACITY CHECK FAIL. DR 1 LH OVERHEAD PANEL EMER LT BATTERY PACK (M33093) REPLACED AND INSTALLATION TEST CARRIED OUT RESULT NORMAL AS PER AMM 33-51-06.