As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DAY - FLT 4008 - CREW UNABLE TO RETRACT THE LANDING GEAR AFTER TAKEOFF. CYCLED THE SELECTOR HANDLE SEVERAL TIMES WITHOUT SUCCESS. AIRCRAFT RETURNED TO THE FIELD, LANDED WITHOUT INCIDENT. DAY MX REPLACED THE LANDING POSITION SELECTOR HANDLE I.A.W. M.M.32-30-00, GEAR SWING OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE. PART TOTAL CYCLES, 16.