Service difficulty report · Battery Pack · Boeing 777323

Difficulty date
November 1, 2022
Submitted
November 2, 2022
Operation
Air carrier
Aircraft
N736AT
Make and model
Boeing 777323
Aircraft serial
33538
Aircraft time
27,037 hours, 3,130 cycles
Part
Battery Pack
Part number
D71701100
Part serial
409877
Condition
No Test
Location
Emergency Lights
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

AIRCRAFT IN BASE MAINTENANCE: L3 DOOR EMERGENCY POWER SUPPLY M33302 BATTERY FAILS TO HOLD CHARGE. REPLACED BATTERY PACK PER AMM 33-51-06-960-802. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.