B757-200 CAPTAIN REFUSES ACFT WITH MISSING SECTIONS OF ATTRITION LINING OF RIGHT ENGINE. HAD REJECTED THE SAME ACFT 48 HOURS EARLIER FOR THE SAME REASON.

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I ARRIVED AT ACFT AND REALIZED THAT ACFT WAS SAME ACFT THAT I HAD REFUSED ON JUL/XA/08 AND FILED PREVIOUS SAFETY RPT ON. I VERIFIED PREVIOUS WRITE-UP; INSPECTED R ENG; NOTICED PLANE HAD BEEN FLOWN SEVERAL TIMES IN THE PAST 48 HRS. I STOPPED BOARDING; INFORMED OPS THAT I WOULD NEED ANOTHER ACFT; CALLED DISPATCHER INFORMING HIM OF THE PROB. MAINT PERSONNEL WERE PRESENT SO WE SHOWED THEM AND WENT DOWN TO TALK TO SUPVR. WE DISCUSSED WITH THE MECHS. WHEN THE SUPVR X ARRIVED; HE MADE NO ATTEMPT TO DISCUSS THE ISSUE WITH US. WHEN WE LEFT THE MAINT ROOM; THE SUPVR MADE THE COMMENT 'WE WILL FIND SOMEPLACE ELSE TO SEND THE AIRPLANE.' IN NO WAY DID I GET AN ATTITUDE FROM ANY OF THE OTHER MECHS; RATHER THEY WERE ALL RESPECTFUL AND INTERESTED IN MY CONCERNS. WHEN WE LEFT THE MAINT OFFICE; THE SUPVR X THOUGHT WE HAD NOT SIGNED OFF THE LOGBOOK AS HAVING REFUSED THE ACFT AND WE ATTEMPTED TO ENGAGE HIM IN SOME DISCUSSION ON THE ISSUE; BUT HE HAD ZERO INTEREST IN DISCUSSING ANYTHING WITH US. I INFORMED HIM THAT I HAD ALREADY SIGNED THE LOGBOOK SPECIFICALLY STATING I 'REFUSED THE ACFT.' THIS IS THE SECOND FO THAT HAS BEEN PART OF THE ANALYSIS AND CONCLUSION TO REFUSE THE ACFT; AND BOTH OF THEM HAVE READ THE AMM AND DRAWN THE SAME CONCLUSION THAT THE COMPANY IS FLYING THIS AIRPLANE WITH THE DAMAGED ATTRITION PLATE SIGNIFICANTLY OUT OF TOLERANCE. I AND BOTH FO'S HAVE NEVER SEEN A PLANE FLY WITH THIS MUCH DAMAGE TO THIS PART OF THE ENG. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE ACR ERC ADVISED THE REPORTER THAT THE DISCREPANCY FELL WITHIN DEFERRABLE LIMITS.