As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER TAKEOFF, AVIONIC VENT SMOKE MESSAGE, NO APPARENT OF SMOKE OR SMELL. RAT DEPLOYED. SMOKE INDICATION DISAPPEARED BEFORE LANDING. FLIGHT RETURNED TO FORT LADERDALE. AVIOINIC COMPARTMENT INSPECTED FOR EVIDENCE OF SMOKE, BLOWN DUCTS OR OVERHEATED EQUIPMENT. NO FAULT FOUND. SUSPECT BAD SMOKE DETECTOR INSTALLED. RAT RETRACTED AND TESTED. SMOKE DETECTION SYSTEM TESTED SERVICEABLE.