It wouldn't be the first part ever installed in an airplane that didn't match print, or the first set of aircraft maintenance records that wasn't complete. I in

It wouldn't be the first part ever installed in an airplane that didn't match print, or the first set of aircraft maintenance records that wasn't complete. I intend no snark here -- just saying, this discrepancy doesn't necessarily mean anything. But this is not an argument against further investigation. For a tragedy such as this, any discrepancies should be investigated to their fullest extent, as you never know what tiny piece of evidence may reveal what happened.