Service difficulty report · Battery Pack · Boeing 737823

Difficulty date
October 18, 2025
Submitted
October 20, 2025
Operation
Air carrier
Aircraft
N871NN
Make and model
Boeing 737823
Aircraft serial
31127
Aircraft time
41,426 hours, 17,893 cycles
Part
Battery Pack
Condition
Inoperative
Location
Zone 200
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT WAS NOT GROUNDED: CABIN EMERGENCY EXIT LIGHTS IN CEILING IN FIRST CLASS AND MAIN CABINS FLICKER ON AND OFF DURING TAXI, TAKEOFF ROLL, AND LANDING ROLL. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK. PER AMM 33-51-06.