Service difficulty report · Battery Pack · Boeing 757351

Difficulty date
January 16, 2026
Submitted
January 16, 2026
Operation
Air carrier
Aircraft
N594NW
Make and model
Boeing 757351
Aircraft serial
32994
Aircraft time
75,875 hours, 25,116 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

WHILE WORKING AMDS W/C 3351-7008, FOUND ROWS 4,5,6 AISLE LIGHTS AND BOTH O/W EXIT EMERGENCY LIGHTS DID NOT PASS CAP CHECK. R & R BATTERY PACKS AT ROWS 4,5,6; LEFT O/W EXIT DOOR AND RIGHT O/W EXIT DOOR, AS WELL AS LEFT O/W EXIT DOOR POWER SUPPLY. PER B757 AMM 33-51. BATTERY PACKS WERE FOR M730, M11487, AND M11384. POWER SUPPLY AT M11487. ALSO REPLACED BATTERY PACK AT M11613. OPS CK GOOD.