As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT DECLARED EMERGENCY ON ACCOUNT OF RT ENGINE VIBRATION INTERMITTENT OVER 5 UNITS, ACCOMPLISHED ENGINE VIBRATION CHECKLIST RETURNED TO HNL. MAINTENANCE REMOVED AND REPLACED #2 ENG AVM ACCELEROMETER IAW AMM 77-31-01-404-020-R00. REMOVED & REPLACED #2 ENG AVM MONITOR IAW AMM 77-31-00-404-005-R00. OPS CHECKS GOOD. (SEE SDR # AALA201908099019)