As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT - 4393 - DURING CRUISE, DESCENT AND LANDING FROM MGM-CVG, THE CREW NOTICED AN OILY TYPE SMELL IN THE COCKPIT AND CABIN. THE AIRCRAFT LANDED SAFELY IN CVG. MAINTENANCE REMOVED AND REPLACED THE LEFT AND RIGHT COALESCER BAGS IAW CRJ AMM 21-00. OPS CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)