What was found
ELEVATOR CONTROL/TRIM: ON ON FLIGHT CONTROL CHECK, CONTROLS FELT FINE. BUT WHEN YOKE IS HELD FULL AFT AND RELEASED, IT STAYS FULL BACK. REMOVED AND REPLACED ELEVATOR TORQUE TUBE BEARING P/N: KP21BSFS428 SN: UNK WITH NEW BALL BEARING. REMOVED LH BEARING ASSEMBLY P/N:505-15277-401 FROM ELEVATOR MECHANISM AND REPLACED WITH A NEW BEARING ASSEMBLY S/N: F037579624. REMOVED RH BEARING ASSEMBLY 505-15277-401 SN: UNK FROM ELEVATOR MECHANISM AND REPLACED WITH A NEW BEARING ASSEMBLY S/N: F037490677. PERFORMED RIGGING PROCEDURE OF THE ELEVATOR CTRL SURFACE. OPS CHECK SATISFACTORY. WORK PERFORMED IAW AMM 20-10-06, 27-31-02, 27-31-04,27-00-00.