Service difficulty report · Battery Pack · Boeing 777223

Difficulty date
August 18, 2024
Submitted
August 19, 2024
Operation
Air carrier
Aircraft
N753AN
Make and model
Boeing 777223
Aircraft serial
30261
Aircraft time
88,993 hours, 11,449 cycles
Part
Battery Pack
Part number
D71702001
Condition
Inoperative
Location
Zone 200
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: 2L AFT EXIT LIGHT AND LEFT OVERHEAD LIGHTS AT ROW 7 THRU 15 EXTINGUISH PRIOR TO THE 15 MINUTES MINIMUM DISCHARGE TIME FRAME ON BOTH TASK CARD 72C20033010. REMOVE AND REPLACED EMERGENCY EXIT POWER SUPPLY ON 2L DOOR OVERHEAD. OPERTIONAL CHECK GOOD. PER AMM 33-51-06.