What was found
STAB TRIM FAIL LIGHT ON SHORTLY AFTER ROTATION. PERFORMED SPEED TRIM FAIL FAULT HISTORY CHECK ON CHANNEL A & B, BOTH CHANNELS REPORT FAILURE OF COL SW MODULE M1201. REPLACED F.O'S COLUMN CUTOUT SWITCH(M1201)REF MM 27-41-51-400-801. COLUMN CUTOUT SWITCHS TEST OPS NORMAL REF MM 27-41-00-710-801. STAB TRIM SERVO MOTOR M1659 REF AMM 27-41-71-000-801, IPC 27-41-71-01. REMOVED AND REPLACED STAB TRIM MOTOR REF AMM 27-41-71-400-801, PREFORMED OPS TEST UP TO STEP (8E) AMM 27-41-71-700-801, OPS CHECK GOOD AT THIS TIME, STAB TRIM AUTOPILOT TEST NEEDS TO BE ACCOMPLISHED.