As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF, IT TOOK A NOTICABLE AMOUNT OF BACK PRESSURE TO LIFT ACFT OFF RUNWAY. TRIM WAS SET TO 7.0. FLT CONTINUED WITH AUTOPILOT WITH NOTHING NOTICEABLE UNTIL LANDING. WHEN DISCONNECTING A/P AT 500', TRIM 7.2 IN THE FLARE AT 100', ELEVATOR CONTROL WAS LOST. WAS UNABLE TO FLY ACFT TO RUNWAY. R & R ELEVATOR PCU SHEAR PINS IAW SB 601R-55-008. OPS CHECK GOOD, NO FURTHER DEFECTS NOTED AT THIS TIME. ACFT RETURNED TO SERVICE.