As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR RETURN - FLIGHT NR 5 - PILOTS REPORTED THAT THE LANDING GEAR FAILED TO RETRACT AFTER TAKEOFF. MX TROUBLESHOT THE ISSUE AND FOUND A LOOSE CONNECTOR PLUG AT THE GEAR HANDLE. MX RESECURED THE CONNECTOR PLUG AT THE GEAR HANDLE AND PERFORMED FIVE RETRACTION AND EXTENSION CYCLES IAW MM 32-30-00. ALL CHECKS WERE GOOD.