As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AT CRUISE NOTICED SMELL AND VIBRATION. LEFT ENGINE VIBRATION AT 5.9 REDUCED THRUST AND RETURNED TO CLT LANDING SAFELY. **SUPPLEMENTAL REPORT FOR AALA202302211033: MAINTENANCE REPLACED LEFT ENGINE PER JOB CARD 08L40072003.** (CLOSED)