Service difficulty report · Battery Pack · Boeing 777222

Difficulty date
October 20, 2025
Submitted
October 21, 2025
Operation
Air carrier
Aircraft
N222UA
Make and model
Boeing 777222
Aircraft serial
30553
Aircraft time
90,661 hours, 12,019 cycles
Part
Battery Pack
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

POWER SUPPLY - BATTERY PACK CAPACITY CHECK PROCEDURE - EMERGENCY PATH LIGHTS INOP IN SEAT 18G, 28G, AND 30D DUPLICATE WRITE UP. WORK PERFORMED ON LOG PAGE #6651473 DUPLICATE LOG PAGE. WORK PERFORMED ON LOG PAGE #6651473