Mac test number 4SNS/1/40000001:VPOR-6.054 anyone shed some light on this?

Just done a hardware test from my USB stick and this number cam up as a hardware fault found ...4SNS/1/40000001:VPOR-6.054

MacBook Air late 2010 model A1369 serial number ---------DR1

Any help in deciphering this would be great

Kind regards and thanks in advance

Steve