Early reports point to a mechanical issue, perhaps with the plane's rudder, which is what controls the left and right ...

Flying figure eights over Santa Monica, he used a special stirrup to work the left rudder pedal with his wooden leg. “Joe took me up in a Piper Cub. It was my first airplane ride,” his brother ...

Well Cared For 1983 Cessna T303 Crusader with Avionics Upgrades and Lower Time Engines. No Known Damage History, Complete Logs, Hangared.