What was found
DURING FLIGHT 3289, LANDING GEAR MOTOR IN-TRANSIT LIGHT CONTINUED TO RUN AFTER GEAR WAS SELECTED UP. NO INTERRUPTION IN FLIGHT. MAINTENANCE CLEANED CANNON PLUGS FOR OPERATIONS. RAISED AND LOWERED GEAR SELECT NUMEROUS TIMES, NO DEFECTS NOTED. MAINTENANCE FOUND CANNON PLUGS CONTAMINATED. ALL CHECKS GOOD.