As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON TAKEOFF THE LG WOULD NOT RETRACT, FOLLOWED BY THE PROP GND SOL INDICATION. FOLLOWED CHECKLIST CONFIRMED GEAR DOWN & LOCKED. RETURNED & LANDING WAS UNEVENTFUL. VERIFIED THE DISCREPANCY & ADJUSTED THE RT LG SAFETY SWITCH. GEAR SWINGS PERFORMED WITH NO DEFECTS NOTED. ACFT WAS RETURNED TO SERVICE.