What was found
HYDRAULIC PRESS LIGHT WOULD NOT EXTINGUISH AFTER TAKEOFF. GEAR WAS UP AND FLAPS WERE 0. WHEN FLAPS WERE PUT DOWN, LIGHT WENT OUT. AFTER LANDING, HYDRAULIC LIGHT CAME BACK ON AND REMAINED ON UNTIL SHUTDOWN. REMOVED SEVERAL ACCESS PANELS ON BELLY TO ACCESS CONNECTORS PM001 & PS001 FOUND RT WING FLAP LIMIT SWITCH BAD. ALSO CONNECTORS FOR SEVERAL CONNECTORS TO VALVES IN HYD BAY MARKED. TROUBLESHOT TO DEFECTIVE RT FLAP ACTUATOR LIMIT SWITCH. REMOVED RT FLAP ACTUATOR ATTACHING HARDWARE. REINSTALLED ACCESS PANELS ON BELLY & RESAFETIED CONNECTORS REMOVED FOR T/S. R & R RT FLAP ACTUATOR IAW MM 27-51-04 FLAP SYSTEM OPS & LEAK CHECK GOOD.