A FLIGHT MECHANIC EXPLAINS HIS COMPANY'S PRACTICES AND PROCEDURES THAT CONTRIBUTED TO THE ACFT FLYING WITHOUT A REQUIRED ETOPS VERIFICATION FLIGHT BEING ACCOMPLISHED ON THEIR B757-200 CHARTER; AFTER AN 'A' CHECK.

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ACFT WAS IN 'A' CHK IN ZZZ. 'A' CHK WAS COMPLETED. ACFT WAS READY FOR DEP ON JUN/XA/08. I WAS THE FLT MECH FOR THE CHARTER FLT LEAVING ON JUN/XA/08 AND RETURNING THE NEXT DAY. THE LOGBOOK WAS SUPPOSED TO BE COMPLETED FOR THE TRIP; MEANING ALL ITEMS AND WORK CARDS FROM THE 'A' CHK AND STAGGERED CHK WERE IN THE LOGBOOK INCLUDING THE VERIFICATION FLT. I ARRIVE AT THE ACFT; DO A DAILY CHK; AND AN ETOPS PRE-DEP CHK; AND SIGN THE AIRWORTHINESS RELEASE. WE ARRIVE BACK IN ZZZ AND I WAS INFORMED BY CO-WORKERS THAT A VERIFICATION FLT WAS REQUIRED AND WAS NOT ENTERED IN THE LOGBOOK WHEN WE DEPARTED THE PREVIOUS DAY. I ALSO WAS INFORMED THAT THERE WERE SEVERAL ITEMS FROM THE 'A' CHK PACKAGE THAT WERE NOT ENTERED IN THE LOGBOOK. AS I WAS INFORMED; IF THE VERIFICATION FLT WAS NOT DONE; THEN THE ACFT DOES NOT HAVE ETOPS STATUS. THE WHOLE TRIP WAS FLOWN WITH ETOPS FLT PLANS. I THINK THE WAY TO FIX PROBS LIKE THIS AT OUR COMPANY IS TO GET A LEAD THAT IS ACTUALLY THE LEAD AND NOT ALSO A FLT MECH LIKE WE HAVE NOW WHO IS NEVER THERE SUPERVISING THE 'A' CHKS AND PAPERWORK THE WAY IN MY OPINION SHOULD BE DONE.