Service difficulty report · Battery Pack · Boeing 777323ER

Difficulty date
March 25, 2021
Submitted
March 31, 2021
Operation
Air carrier
Aircraft
N733AR
Make and model
Boeing 777323ER
Aircraft serial
33524
Aircraft time
25,722 hours, 2,837 cycles
Part
Battery Pack
Part number
ADD71701100
Part serial
259013
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 IN BASE MAINTENANCE: BATTERY PACK M33406 FAILS OPS CHECK. REPLACED BATTERY PACK IAW AMM 33-51-06, OPS CHECK GOOD.