As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CONTROL CHECK, MOVING WHEEL FROM FULL FWD TO AFT, THERE IS A VIBRATION AND A FEEL OF BINDING IN ELEVATORS. CAN FEEL SHAKING THROUGH FLOOR OF ACFT. RETURNED TO BLOCKS. ADJUSTED RUB BLOCK ON LT ELEVATOR. IAW BOEING MM 27-30-1. OPS CHECK OK.