What was found
STIFF THRUST LEVERS HARD TO GET OUT OF REVERSE. CYCLED BOTH REVERSE LEVERS. BOTH DEPLOY & STOWED WITH NO BIND OR STIFFNESS FELT. FOUND LARGE AMOUNT OF DUST DEBRIS CAUSING BEARINGS ON LEVER ASSY TO BE STIFF. CLEANED HOUSING ASSY AND LUBED BEARINGS. OPS CK THROTTLE AND REVERSER OPERATION FROM REV THRUST TO FWD THRUST SETTINGS SMOOTH OPERATION NOTED. ACFT REQUIRES CAT III LAND TEST. ACCOMPLISHED SATISFACTORY LAND TEST. ACFT REMAINS CAT III.