Service difficulty report · Battery · Boeing 777222

Difficulty date
June 7, 2024
Submitted
June 10, 2024
Operation
Air carrier
Aircraft
N787UA
Make and model
Boeing 777222
Aircraft serial
26939
Aircraft time
106,189 hours, 14,280 cycles
Part
Battery
Part number
ADD71701100
Part serial
339525
Condition
No Test
Location
L3 M33400
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

L3 DOOR EMERGENCY LIGHT BATTERY TEST FAILED. BATTERY REPLACED AND TESTED NORMAL IAW AMM33-51-06. ATTACHED FORM 44-0008 ITEM 1-2 ACCOMPLISHED.