As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PVD FLT 208 EN-ROUTE, CLT TO PVD - DURING THE FLIGHT, THE LAVATORY SMOKE DETECTORS ALARMED FOR SMOKE, AND THEN SHUT OFF. AFTER LANDING, THE GROUND CREWS NOTED AN OIL ODOR IN THE JETWAY OF THE TERMINAL. MAINTENANCE NOTED THAT THERE WAS AN OIL MIST IN THE INTAKE OF THE LEFT ENGINE DURING INSPECTION. THE AIRCRAFT WAS MAINTENANCE FERRIED TO CLT WHERE THE ENGINE WAS REPLACED.