What was found
ON GO AROUND, RETRACTED GEAR, LANDING GEAR INOP, CAUTION LIGHT ILLUMINATED AND LT MAIN GEAR DOOR REMAINED OPEN AND VISUALLY VERIFIED. AFTER A COUPLE MINUTES, CAUTION LIGHT WENT OUT. USED ALTERNATE EXTENSION PRECEDURES IAW CHECK LIST SWUNG GEAR MULTIPLE TIMES ON JACK WITH MULE CONNECTED. CHANGED 32-61 K5 AS PRECAUTION MEASURES. CYCLED GEAR, OPS CHECKED GOOD AT THIS TIME.