As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE AIRCRAFT WAS GROUNDED. UNABLE TO RAISE GEAR. GEAR HANDLE WOULD NOT MOVE. DOWNLOCK OVERRIDE BUTTON WAS NOT ATTEMPTED. PERFORMED AN AIR CALIBRATION (AIRCRAFT ON JACKS) OF THE WOW MLG LOAD SENSORS PER AMM 32-09-03-820-801. PERFORMED GEAR SWING SEVERAL TIMES. OPERATION CHECK GOOD PER AMM 32-30-00.