Service difficulty report · Battery · Boeing 777222

Difficulty date
February 15, 2025
Submitted
February 17, 2025
Operation
Air carrier
Aircraft
N773UA
Make and model
Boeing 777222
Aircraft serial
26929
Aircraft time
106,510 hours, 20,213 cycles
Part
Battery
Part number
ADD71701100
Condition
No Test
Location
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

DR L2 M33096 EMER LIGHT BATTERY TEST FAIL. DR L2 M33096 EMERG LIGHT BATTERY REPLACED AND CHECK NORMAL IAW A MM 33-51-06.