Service difficulty report · Battery Pack · Boeing 777232

Difficulty date
May 28, 2026
Submitted
May 29, 2026
Operation
Air carrier
Aircraft
N866DA
Make and model
Boeing 777232
Aircraft serial
29738
Aircraft time
90,165 hours, 10,998 cycles
Part
Battery Pack
Part number
ABSD71701100
Part serial
86520
Condition
Faulted
Location
Zone 200
Stage of operation
IN
How discovered
C
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

R1 DOOR EMERGENCY LIGHT BATTERY FAILS DEEP CYCLE; REMOVED AND REPLACED BATTERY PACK AND OPS CHECK PASSED NO DEFECTS NOTED.