What was found
RIGHT MAIN GEAR DOOR LIGHT ILLUMINATED WHEN GEAR HANDLE WAS PLACED IN THE OFF POSITION. RIGHT MAIN WARNING LIGHT WOULD GO OUT WITH HANDLE IN THE UP POSITION. AFTER CYCLING HANDLE FROM UP TO OFF SEVERAL TIMES THE RIGHT MAIN DOOR LIGHT REMAINED OFF. FOUND LOOSE CANNON PLUG ON RIGHT MAIN GEAR DOOR SWITCH. CLEANED AND TIGHTENED CANNON PLUG CYCLED DOOR AND OPERATIONAL CHECKED OK.