What was found
WHILE IN FLIGHT, NR 2 SERVO CAS LIGHT ILLUMINATED. ON HYDRAULIC SYSTEM SYNOPTIC PAGE, THE NR 2 FWD, RT, LT AND T/R SERVOS ALL INDICATED JAMS. EMERGENCY CHECK LIST WAS FOLLOWED AND AIRCRAFT RETURNED TO BASE. CLEANED ELECTRICAL CONNECTOR ON SERVO BYPASS SWITCHES, INSPECTED HYDRAULIC SYSTEM COMPONENTS AND GROUND RUN. AIRCRAFT RETURNED TO SERVICE.