Narrative:

I was assigned an aircraft. In the work pack job card XXX001 was assigned to be accomplished. I do not recall if I printed the job card or it was previously printed. After arriving at the gate; I assisted in opening #2 engine for a bore scope inspection; completed 2 other work release items and started an overnight check. I accomplished job card XXX004. This was the job card that was in the work pack. I signed the card off on the work release according to the job card number. I was notified two days later of completing the wrong job card. Due to the error; an overfly did occur for job card XXX001. Management was notified on and the aircraft was stopped in ZZZ and the job card XXX001 was accomplished.paperwork auditor found the error. At the beginning of the shift several job cards are printed. The wrong job card may have been placed in the wrong work pack. Awareness of the correct job card sign off.

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Original NASA ASRS Text

Title: Maintenance Technician was informed after the fact that the job card he signed after completing the assigned work did not match the work pack number (004 instead of 001).

Narrative: I was assigned an aircraft. In the work pack Job Card XXX001 was assigned to be accomplished. I do not recall if I printed the job card or it was previously printed. After arriving at the gate; I assisted in opening #2 engine for a bore scope inspection; completed 2 other work release items and started an overnight check. I accomplished Job Card XXX004. This was the job card that was in the work pack. I signed the card off on the work release according to the job card number. I was notified two days later of completing the wrong job card. Due to the error; an overfly did occur for Job Card XXX001. Management was notified on and the aircraft was stopped in ZZZ and the Job Card XXX001 was accomplished.Paperwork auditor found the error. At the beginning of the shift several job cards are printed. The wrong job card may have been placed in the wrong work pack. Awareness of the correct job card sign off.

Data retrieved from NASA's ASRS site as of April 2012 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.