A BE V35'S R LNDG GEAR COLLAPSED AFTER LNDG. PREVIOUS TROUBLESHOOTING; A GREEN LIGHT AND EXTERNAL VISUAL INSPECTION INDICATED GEAR DOWN AND LOCKED.

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AT AROUND XA00 I DID A PREFLT INSPECTION AND RUN-UP ON THE AIRPLANE. EVERYTHING WAS WORKING FINE; MECHANICALLY AND ELECTRONICS. I HAD BOTH TANKS TOPPED OFF PRIOR TO RUN-UP. THE BATTERY HAD BEEN CHARGED BY THE FBO; SINCE IT WAS NOT FLUCTUATING THE DAY BEFORE. THE AIRPLANE HAD BEEN SITTING FOR 3 MONTHS. I PERFORMED THE NORMAL RUN-UP; AND SAT FOR SEVERAL MINS CHKING AND RECHKING EVERYTHING. I PROCEEDED TO TAXI TO THE ACTIVE RWY AND PERFORMED THE RUN-UP. AGAIN; EVERYTHING APPEARED NORMAL. I TOOK OFF AND STAYED IN THE PATTERN TO DO SOME FULL STOP LNDGS. A C150 WAS AT THE THRESHOLD AT THE FIRST TOUCHDOWN. THE PLT OF THAT ACFT RADIOED SEVERAL TIMES; 'CHK YOUR GEAR; CHK YOUR GEAR' WITH NO CALL SIGN TO MY ACFT. AT THAT MOMENT; I REALIZED HE WAS XMITTING TO ME; AND APPLIED PWR; TO GO AROUND. I ASKED FOR ANYONE ON THE GND TO GIVE CONFIRMATION OF MY GEAR BEING EXTENDED; AND SEVERAL PEOPLE CAME BACK THAT; MY R MAIN GEAR HAD NOT EXTENDED. THE FBO MAINT PEOPLE CAME OUT ONTO THE FIELD; AND SPOTTED FOR ME; DURING SEVERAL PASSES; THAT THE R MAIN GEAR WAS NOT COMING DOWN AFTER RECYCLING SEVERAL TIMES BY THE MOTOR. I THEN DIVERTED S DOWN THE RIVER AT AN ALT OF 500 FT; WITH THE AUTOPLT ON; PULLED THE BREAKER TO THE GEAR AND EXTENDED THE GEAR MANUALLY. AFTER GETTING A GREEN INDICATOR LIGHT; I RETURNED TO GET A VISUAL TO SEE IF THE GEAR HAD EXTENDED. DURING ANOTHER FLY-BY; I WAS INFORMED THAT THE R GEAR DOOR WAS DOWN; BUT THE R MAIN GEAR WAS NOT. I THEN RESET THE BREAKER FOR THE GEAR MOTOR; AND CYCLED THE GEAR UP; AND THAT WAS CONFIRMED VISUALLY FROM THE GND; I THEN CYCLED THE GEAR DOWN WITH THE GEAR MOTOR; AND GOT A VISUAL FROM THE GND THAT THE GEAR APPEARED TO BE DOWN AND LOCKED. I LANDED AND ABOUT 200 YDS AFTER LNDG; THE R MAIN GEAR HAD COLLAPSED. THE PLANE VEERED TO THE R; AND THE LEADING EDGE OF THE WING STRUCK 2 TXWY LIGHTS; AND CAME TO REST ON THE N SIDE OF THE RWY IN THE GRASS. ALTHOUGH I DID MY PREFLT AS I ALWAYS DO; AND SPENT CONSIDERABLY MORE TIME THAN I ROUTINELY DO; I SHOULD HAVE TAKEN MORE TIME TO GET DOWN AND VISUALLY INSPECT THE INSIDE OF THE WHEEL WELLS FOR NESTS OR DEBRIS. I HAVE YET TO GO BACK TO THE ARPT TO INSPECT THE INSIDE OF THE WHEEL WELLS. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE REPORTER HAS NOT SEEN THE ACFT YET BUT WAS TOLD THAT A CONNECTING ROD ON THE GEAR BROKE; ALLOWING THE GEAR TO FOLD. THIS ACFT HAS ONLY ONE GREEN LANDING GEAR DOWN AND LOCKED LIGHT. THE LIGHT INDICATED THAT THE GEAR WERE NORMAL EACH TIME THOSE ON THE GND REPORTED THE GEAR NOT DOWN. THE WINGTIP CONTACTED THE RWY WHICH KEPT THE PROP FROM STRIKING THE RWY.