Service difficulty report · Battery Pack · Boeing 777223

Difficulty date
May 30, 2024
Submitted
May 31, 2024
Operation
Air carrier
Aircraft
N757AN
Make and model
Boeing 777223
Aircraft serial
32636
Aircraft time
84,583 hours, 10,990 cycles
Part
Battery Pack
Part number
UNKNOWN
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 GROUNDED: SEAT MOUNTED EMERGENCY LIGHTS L/H AND R/H ROWS 7 THROUGH 10 DO NOT OPERATE. MAINTENACE R/R POWER SUPPLY BATTERY IAW AMM 33-51-06.