AN ACR F100 IS ALLEGED TO HAVE MADE AN UNAUTH RWY XING AT IND. ACFT GIVEN 'TAXI INSTRUCTIONS' TO RWY 5; CROSSED RWY 32 IN THE PROCESS. CTLR LATER SAID THERE WAS AN ACFT THAT HAD ITS TKOF CLRNC CANCELED ACCOUNT F100'S ACTIONS.

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RECEIVED TAXI INSTRUCTIONS AT INDIANAPOLIS INTL ARPT TO TAXI FROM OUR RAMP TO RWY 5R FOR DEP TO PHL. WE PROCEEDED TO CROSS RWY 32 ON THE RTE TO DEP END OF RWY 5R. NO FURTHER COMS FROM GND CTL WERE RECEIVED (OTHER THAN ASKING IF WE COULD USE RWY 32 FOR DEP; WHICH WE DECLINED). RWY 32 WAS CLR OF ANY ACFT WHEN WE CROSSED. WE WERE CLRED FOR TKOF ON RWY 5R BY THE TWR. UPON ARR AT PHL; I WAS ADVISED TO CONTACT THE TWR SUPVR IN IND; WHO INFORMED ME THAT WE HAD BEEN INSTRUCTED TO HOLD SHORT OF RWY 32. OUR FAILURE TO DO SO RESULTED IN THE CANCELLATION OF TKOF CLRNC FOR AN ACFT APCHING RWY 32 FOR DEP; AND THAT WE WOULD BE CITED FOR THE INCURSION. NO ATTEMPT WAS MADE BY THE CTLR TO STOP OUR XING OF RWY 32; ALTHOUGH HE MUST HAVE SEEN US APCHING AS HE HAD PLENTY OF TIME TO ADVISE THE TWR CTLR TO CANCEL TKOF CLRNC OF THE OTHER ACFT. WE WERE THE ONLY ACFT ON THE FREQ. SOME CONFUSION IN COMS MAY HAVE OCCURRED WHEN THE GND CTLR ASKED IF WE COULD USE RWY 32 FOR DEP (WE DECLINED) AS WE BEGAN OUR TAXI; BUT I DID NOT HEAR A HOLD SHORT CLRNC AND NEITHER DID THE FO RECALL RECEIVING ONE. I WOULD LIKE TO REITERATE THAT THE RWY WAS CLR WHEN WE CROSSED. SUPPLEMENTAL INFO FROM ACN 392900: DURING TAXI OUT GND ASKED IF WE COULD ACCEPT RWY 32. AFTER REVIEW OF TKOF DATA WE DECLINED.