As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIRST OFFICER'S ELEVATOR CONTROLS FEEL HEAVY. CREW COMMENTS: ELEVATOR VERY HEAVY ON TAKEOFF. RECURRED ON FLT 0053-12JAN. THIS A/C WAS A CHRONIC PROBLEM FOR SEVERAL WEEKS. AFTER MANY TESTS AND RIG CHECKS, SEVERAL TEST FLIGHTS BY DIFFERENT CREWS IT WAS SUSPECTED THAT ELEV FEEL ACTUATOR WAS INTERMITTENTLY FAULTING. REPLACED AND A/C HAS BEEN CLEAN FOR TWO MONTHS.