As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LGA - FLT 4850 - CREW RECEIVED CONFIGURATION WARNING ON TAKEOFF ROLL. TAKEOFF WAS ABORTED AND AIRCRAFT RETURNED TO THE GATE. CREW REPORTED THAT ONE CONDITION LEVER WAS NOT FULL FORWARD DURING TAKEOFF AND THIS WAS THE REASON FOR WARNING. AIRCRAFT WS RETURNED TO SERVICE. (M)