A B757-200 HAD WORK ACCOMPLISHED THAT WAS NOT DOCUMENTED UNTIL THE JOB WAS COMPLETED.

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ON MAR/XX/98 AND MAR/XY/98 I WAS THE LEAD AMT ASSIGNED TO ACFT XYZ AND ACFT XXX. ACFT XXX WAS A B-1 CHK WHICH REQUIRED MY ATTN IN ASSIGNING MANPWR; INSURING WORK COMPLETION AND MONITORING PAPERWORK. I HAD ASSIGNED 2 MECHS TO WORK THE VARIABLE STATOR VANE RIG ON ACFT XYZ. ON MAR/XY/98; AFTER A PWR ASSURANCE RUN ON ACFT XYZ; WE WERE CLRING UP THE PAPERWORK ON XYZ WHEN A MECH NOTICED THAT THERE WERE A COUPLE OF MISSING WRITE-UPS. THERE WERE NO OPEN WRITE-UPS IN THE COMPUTER AND IT WAS ASSUMED THAT WE WERE WORKING WITH A PAPERLESS AIRPLANE. I REDID THE ENVELOPE TO INCLUDE THE TASK ORIENTED DOCUMENT JOB CARD AND DISPOSED OF THE OLD ENVELOPE. LATER; I FOUND OUT THAT THE PAPERWORK WAS BEING MONITORED BY THE FAA. WE RECEIVED A TURNOVER ON THE JOB WHICH INVOLVED ONLY A MONOLOGUE OF WHAT HAD BEEN CHANGED THE PREVIOUS SHIFT; A BOROSCOPE INSPECTION; AND THAT MAINT CTL WANTED A RERIG OF THE VARIABLE STATOR VANES BASED ON THAT TURNOVER AND THE TRAINING I HAD RECEIVED ON A PAPERLESS AIRPLANE. GIVEN PAST PRACTICES AT ACR; I FELT WHAT I DID WAS ACCEPTABLE PRACTICE REGARDING A PAPERLESS AIRPLANE.