Service difficulty report · Battery Pack · Boeing 777224

Difficulty date
January 7, 2026
Submitted
January 9, 2026
Operation
Air carrier
Aircraft
N76010
Make and model
Boeing 777224
Aircraft serial
29480
Aircraft time
124,203 hours, 12,870 cycles
Part
Battery Pack
Part number
ADD71701100
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

OPERATIONAL TEST FOUND R4 DOOR, POWER PACK BATTERY INOP. REPLACED THE R4 DOOR M33408 POWER PACK BATTERY AND CARRIED OUT OPS TEST IAW AMM 33-51-06-960 -802, REV 106, THE RESULT WAS NORMAL BATTERY R4 M33408 PACK INOP.