As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND THE ENGINE VIBRATION MONITOR FUNCTION FAIL.(<P>IAW AMM 77-31-03-004-002-1-100, 77-31-03-404-004-1-100 REV. 129 REPLACED THE SIGNAL CONDITIONER. IAW AMM 77-31-00-715-001-1-100, 77-31-00-705-103-1-100 REV. 129 PERFORMED OPERATIONAL TEST AND SELF TEST. RESULT WAS SATISFACTORY.</P>)