Service difficulty report · Battery · Boeing 777224

Difficulty date
August 8, 2019
Submitted
August 10, 2019
Operation
Air carrier
Aircraft
N78002
Make and model
Boeing 777224
Aircraft serial
27578
Aircraft time
101,597 hours, 10,334 cycles
Part
Battery
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

L2 DOOR EMERGENCY LIGHT POWER SUPPLY M33096 BATTERY PACK LOW CAPACITY. POWER SUPPLY BATTERY REPLACED AND TESTED NORMAL IAW AMM 33-51-06.