As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE GEAR LEVER WOULD NOT RAISE PAST THE OFF POSITION ON FIRST ATTEMPT AFTER TAKEOFF. THE GEAR HANDLE RAISED TO THE UP POSITION AFTER SEVERAL ATTEMPTS AND THE FLIGHT PROCEEDED WITHOUT FURTHER PROBLEM. MAINTENANCE FOUND THE MLG AIR SAFETY SENSOR OUT OF ADJUSTMENT. THE SENSOR WAS ADJUSTED AND TESTED IAW MM 32-09-01, PAGE 501. THE GEAR WAS SWUNG SEVERAL TIMES WITH NO DEFECTS NOTED.