Service difficulty report · Battery Pack · Boeing 777323ER

Difficulty date
September 3, 2020
Submitted
September 10, 2020
Operation
Air carrier
Aircraft
N717AN
Make and model
Boeing 777323ER
Aircraft serial
31543
Aircraft time
29,955 hours, 3,390 cycles
Part
Battery Pack
Part number
ADD71701100
Part serial
215926
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

AIRCRAFT IN BASE MAINTENANCE - EPSU (EMERGENCY POWER SUPPLY UNIT) M33094 FAILED OPS CHECK, R1 DOOR. REPLACED BATTERY PACK, EPSU M33094, PER AMM 33-51-06, OPERATIONAL CHECK GOOD.