As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND NO. 1 ENG N2 VIBRATION SENSOR FAIL.(<P>IAW AMM 77-31-02-004-001 AND 77-31-02-404-006 REV. 129 REPLACED THE ACCELEROMETER WITH SERVICEABLE PARTS FOR NO. 1 ENG. IAW AMM 71-00-00-712-168 REV. 129 PERFORM DRY MOTORING TEST, RESULT CONDITION NORMAL. COMPLETED THIS JOB AND CONDITION CHECK SATISFACTORY.</P>)