What was found
FLIGHT 4989 - RECEIVED A FORWARD LAVATORY SMOKE WARNING MESSAGE DURING TAKEOFF ROLL, FLIGHT RETURNED TO GATE. REPLACED THE APU.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT 4989 - RECEIVED A FORWARD LAVATORY SMOKE WARNING MESSAGE DURING TAKEOFF ROLL, FLIGHT RETURNED TO GATE. REPLACED THE APU.