What was found
LAX - FLT 86 - AFTER TAKEOFF, CREW RECEIVED EICAS MESSAGE 'SLAT DISAGREE' WITH SLATS STUCK HALFWAY UP. FLIGHT DIVERTED TO LAX. MAINTENANCE AT LAX COULD NOT DUPLICATE THE PROBLEM AND REPLACED THE FSEU AS A PRECAUTION. SUBSEQUENTLY, IN PIT ON 10/20/98, EN ROUTE PIT TO BOS (FLT 7), CREW RECEIVED THE SAME INDICATION RETURNED TO PIT. MAINTENANCE REPLACED THE FOLLOWING SLAT ROTARY ACTUATORS, NR 2 OUTBOARD, NR 5 OUTBOARD, AND NR 6 INBOARD AND OUTBOARD. (M)