Service difficulty report · Battery Pack · Boeing 777223

Difficulty date
July 9, 2026
Submitted
July 11, 2026
Operation
Air carrier
Aircraft
N791AN
Make and model
Boeing 777223
Aircraft serial
30254
Aircraft time
98,322 hours, 12,879 cycles
Part
Battery Pack
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: ON PS CHECK FOUND SEAT 5D BOTH EMERGENCY LIGHT INOP. MAINTENANCE PLACED BATTERY PACK SUCCESSFUL OPERATIONAL TEST OF EEPL PERFORMED IAW AMM 33-51-06 AND J/C 72L00005043.