Service difficulty report · Battery Pack · Boeing 777223

Difficulty date
February 15, 2024
Submitted
February 18, 2024
Operation
Air carrier
Aircraft
N799AN
Make and model
Boeing 777223
Aircraft serial
30258
Aircraft time
86,294 hours, 11,260 cycles
Part
Battery Pack
Part number
D71702001
Part serial
104576
Condition
Inoperative
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 WAS NOT GROUNDED: OH EMERGENCY LIGHT IS NOT WORKING BETWEEN L2 & L3 DOOR. POWER BATTERY PACK M33099 REPLACED AND TEST OK IAW AMM33-51-06.