As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT DEPARTED FROM VAN NUYS AIRPORT (KVNY) GEAR WAS RETRACTED. LEFT MAIN GEAR FAILED TO RETRACT AFTER TAKEOFF (RED INDICATION) CYCLED GEAR THREE TIMES. ATC TOWER VERIFIED THAT LEFT MAIN GEAR APPEARED TO BE DOWN RETURNED AND LANDED AT KVNY.