Service difficulty report · Battery · Boeing 777224

Difficulty date
June 18, 2018
Submitted
June 22, 2018
Operation
Air carrier
Aircraft
N74007
Make and model
Boeing 777224
Aircraft serial
29477
Aircraft time
95,964 hours, 9,601 cycles
Part
Battery
Part number
D71701100
Part serial
73531
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

R4 DOOR EMERGENCY LIGHT BATTERY PACK M33408 WAS FOUND TO HAVE LOW CAPACITY. THE BATTERY PACK M33408 REPLACED AND TESTED NORMAL IAW AMM 33-51-06.