What was found
ON TAKEOFF ROLL, THE LEAD PASSENGERS SEAT BROKE CAUSING PASSENGER TO FALL BACKWARD. SHORTLY AFTER THE CREW WAS NOTIFIED THAT THE FORWARD-FACING MIDDLE SEAT WOULD NOT REMAIN UPRIGHT. THE SEAT DID NOT RESTRICT ANY EMERGENCY EXIT, EGRESS ROUTE, OR MAIN AISLE. AIRCRAFT LANDED SAFELY AT KSNA WITHOUT INCIDENT. REPLACED L/H FWD MIDDLE FACING SEAT RECLINE ACTUATOR IAW GOODRICH CMM 25-25-68. SEAT RECLINE OPS CHECK GOOD AND SEAT RESTORED TO NORMAL CONFIGURATION.