Service difficulty report · Battery Pack · Boeing 777222

Difficulty date
March 29, 2018
Submitted
March 29, 2018
Operation
Air carrier
Aircraft
N785UA
Make and model
Boeing 777222
Aircraft serial
26954
Aircraft time
93,383 hours, 12,463 cycles
Part
Battery Pack
Part number
M33406
Condition
Discharged
Location
Emergency Light
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

MAIN DECK L3 DOOR HAD ONE EMERGENCY LIGHT BATTERY PACK M33406 TO HAVE LOW CAPACITY. REPLACED THE BATTERY PACK, OPS TESTED GOOD IAW AMM 33-51-06-960-802, REV 82.