Service difficulty report · Battery Pack · Boeing 777224

Difficulty date
December 29, 2019
Submitted
January 6, 2020
Operation
Air carrier
Aircraft
N37018
Make and model
Boeing 777224
Aircraft serial
31680
Aircraft time
88,685 hours, 8,571 cycles
Part
Battery Pack
Part number
D71701100
Condition
Discharged
Location
Cabin
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

B777-33-3-7019: R/H #4 DOOR EMER LT POWER SUPPLY(M33409) DEEP CYCLE CHECK FAIL.REF NR LP 9130215 L/H DOOR 3 EMER LT POWER SUPPLY BATTERY PACK REPLACED AND OP TEST CARRIED OUT WITH NORMAL RESULT IAW AMM 33-51-06