Service difficulty report · Battery Pack · Boeing 777223

Difficulty date
January 18, 2022
Submitted
January 25, 2022
Operation
Air carrier
Aircraft
N798AN
Make and model
Boeing 777223
Aircraft serial
30797
Aircraft time
79,232 hours, 10,283 cycles
Part
Battery Pack
Condition
Inoperative
Location
Zone 200 - Fuse
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

AIRCRAFT IN BASE MAINTENANCE: EMERGENCY PROXIMITY FLOOR LIGHTS AND EXIT SIGNS AT MULTIPLE LOCATIONS FAIL CAPACITY CHECK. REPLACED BATTERY PACK M33098 WITH NEW IAW B777 AMM 33-51-06, OPS CHECK GOOD.