Service difficulty report · Battery Pack · Boeing 777224

Difficulty date
February 3, 2025
Submitted
February 3, 2025
Operation
Air carrier
Aircraft
N78017
Make and model
Boeing 777224
Aircraft serial
31679
Aircraft time
106,497 hours, 10,778 cycles
Part
Battery Pack
Part number
D71702001
Part serial
16559
Condition
No Test
Location
Zone 200
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

DOOR 4L EXIT SIGNS AFT ZONE LH CEILING EMER LIGHT DO NOT COME ON (M33407). DOOR 4L EMER LIGHT POWER SUPPLY REPLACED AND TEST NORMAL AS PER AMM33-51-06.