What was found
BOS - FLT 248 - LEG 3, TAKEOFF PLUS 5 MINUTES RUDDER CONTROL MANUAL LIGHT CAME ON. NO FLUID LOSS OR FLIGHT CONTROL CHANGE. INSPECTED RUDDER POWER PACK UNIT AND CONTROL SYSTEM. REMOVED ELECTRICAL CONNECTORS, CLEANED TERMINALS, THE RE-INSTALLED. OPERATE RUDDER, OPERATION CHECK OK IAW DC9 MM CHAPTER 27-20-0. (M)