AN MD80 ON TKOF AND INITIAL CLB EXPERIENCED SMOKE IN THE CABIN WHICH DISPERSED A SHORT TIME LATER.

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DEPARTING FROM RNO JUST PRIOR TO 1000 FT AGL; I RECEIVED AN EMER CHIME FROM THE #1 FLT ATTENDANT. SHE STATED WE HAD SMOKE IN THE CABIN. THE SMOKE HAD ALSO BECOME VISIBLE IN THE COCKPIT. THE SMOKE HAD AN OIL BASED SMELL AND WAS VISIBLE TO THE PAX; THEY HAD BEEN RINGING THEIR CALL BUTTONS. I WORKED THROUGH THE LEAD FLT ATTENDANT AND THE #2 AND #3 FLT ATTENDANTS. THEY ALL AGREED THE SMOKE WAS NOT INCREASING AND NO SOURCE WAS IDENTIFIABLE. THE LEAD DID A QUICK WALK THROUGH AND RECONFIRMED THERE WAS NO SOURCE AND THE SMOKE WAS DECREASING. I WAS CONFIDENT THAT THE PROB WAS SOME KIND OF TIRE SMOKE ABNORMALITY. WE WERE 146000 LBS AT TKOF AND THE WX WAS VFR. THE SMOKE WAS CLRING SO I HAD THE FO CONTINUE THE CLB AND I CONTACTED FLT CTL. I WAS PATCHED TO MAINT CTL AND BASED ON OUR CONVERSATION AND CONCURRENCE; I COULD THINK OF NO REASON TO MAKE AN EMER LNDG. I MADE A SHORT PA TO THE PAX THAT EVERYTHING WAS FINE AND WE WERE CONTINUING TO ORD. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE SMOKE IN THE CABIN WAS TIRE SMOKE AND WAS PICKED UP IN THE AIR CONDITIONING SYS AND WAS DISPERSED QUICKLY. THE RPTR SAID THE ACFT HAD A THOROUGH CHK AT THE ARR STATION AND NOTHING WAS FOUND AND THE ACFT HISTORY REVEALED NO PREVIOUS RPTS OF SMOKE IN THE CABIN.