Service difficulty report · Battery Pack · Boeing 777223

Difficulty date
July 14, 2019
Submitted
July 15, 2019
Operation
Air carrier
Aircraft
N771AN
Make and model
Boeing 777223
Aircraft serial
29579
Aircraft time
82,481 hours, 10,555 cycles
Part
Battery Pack
Part number
PAC5026
Part serial
64769
Condition
Discharged
Location
Cabin
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 WAS NOT GROUNDED: SEAT MOUNT EMERGENCY LIGHTS FROM SEATS ROW26 TO ROW 40 INOPERABLE ON BOTH SIDES. MAINTENANCE REPLACED POWER SUPPLY BATTERY PACK PER MM 33-51-06.