Service difficulty report · Battery Pack · Boeing 777222

Difficulty date
October 4, 2017
Submitted
October 6, 2017
Operation
Air carrier
Aircraft
N226UA
Make and model
Boeing 777222
Aircraft serial
30226
Aircraft time
67,540 hours, 7,973 cycles
Part
Battery Pack
Part number
ADD71701100
Condition
Discharged
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

EMERGENCY BATTERY PACK CAPACITY LOW, REPLACED THE BATTERY PACK AND CARRIED OUT OP TEST, FOUND GOOD IAW AMM 33-51-06-960-803, REV 80.