What was found
(CAN) EXCESSIVE CONTROL COLUMN FORCE REQUIRED DURING ROTATION & CLIMB. RESOLUTION STEP 1: ELEV. FEEL FUNCTION TEST PRIOR TO COMPONENT CHANGE-BOTH CAPT AND F/O TEST TO THE SAME VALUES AND WITHIN LIMITS (PASSED) STEP 2: ELEV. SHAFT DETAILED INSPECTION- NFF STEP 3: CONTROL COLUMN DETAILED INSPECTION- NFF STEP 4: CONTROL COLUMN POSITION TEST-PASSED STEP 5: CONTROL COLUMN FORCE TEST -PASSED STEP 6: F/O CONTROL COLUMN FORCE TEST-PASSED STEP 7: LH SIDE (CAPT)ELEVATOR FEEL ACTUATOR REPLACED AS PER AMM DMC-B787-A--27-31-07-00A-520A/720A .