A TECHNICIAN RPTS DOUBTS ABOUT DEFERRING TURBINE TIP CLRNC TUBE WEAR ON THE ADVICE GIVEN BY THE MAINT CTLRS.

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THE COMPANY IS PUSHING ITS B767 AND A330 QUALIFIED MECHS TO THE LIMIT. WE DON'T HAVE ENOUGH QUALIFIED B767/A330 MECHS IN ZZZ; SO THEY ARE PUSHING US TO OUR LIMIT AND THEIRS. ACFT X (AN ACR X B767-200ER ACFT) CAME TO OUR HANGAR ON AFTERNOON SHIFT ON FEB/SUN/03. THEY (THE MECHS ON SECOND SHIFT) WERE WORKING AN MEL ON THE L ENG FIRE LOOP #1 DETECTION SYS. THEY ENTERED 2 MAINT LOGBOOK WRITE-UPS IN THE LOGBOOK AND WENT HOME. BY XA30 FEB/MON/03 IT WAS TIME TO WRAP IT UP. I DIDN'T HAVE ANY MORE TIME ON SHIFT TO CONTINUE TO LOOK UP LIMITS ON THE TUBE DAMAGE; SO AS PER ACR X MAINT POLICIES AND PROCS; IF IN DOUBT ABOUT A PROB OR WRITE-UP ON AN ACFT YOU ARE TO CALL MAINT CTL FOREMAN IN ZZZ1 TO GET THE ANSWERS. SO I CALLED MAINT CTL TWICE AND BOTH TIMES I GOT 2 DIFFERENT MAINT CTL FOREMEN. I ASKED THEM ABOUT THE DAMAGED 2 TUBES ON THE L ENG TURBINE TIP CLRNC SYS; AND MAINT CTLR X AND MAINT CTLR Y (MAINT FOREMEN) BOTH SAID ALL I HAD TO DO WAS SIGN OFF LOGBOOK WRITE-UP WITH PROGRAMMING THE TUBES TO BE REPLACED NEXT AVAILABLE RON (REMAIN OVERNIGHT) MAINT STATION. NO ENGINEERING AUTH WAS NEEDED. WHEN I GOT IN TO WORK THAT EVENING (FEB/FRI/03); SOME MECH CAME UP TO ME AND SAID THE TUBES SHOULD HAVE BEEN REPLACED BEFORE FURTHER FLT. NOW I'M NOT SURE IF THE ACFT WAS LEGAL OR NOT. ANYHOW; THE SAME ACFT WAS IN THE HANGAR AT XS00 ON FEB/FRI/03 GETTING THE TUBES REPLACED. I BELIEVE IT MADE 1 FLT ONLY. I TALKED TO MY MAINT FOREMAN AND HE SAID I WAS OK AND LEGAL.