As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PSM - FLT 4611 - AVIONICS RACK SMOKE DETECTION LIGHT CAME ONE IN FLIGHT ALONG WITH A SMOKE SMELL FROM THE FLIGHT ATTENDANT. DECLARED EMERGENCY AND LANDED AT PSM. ISSUED MEL 26-3. MAINTENANCE CLEANED CANNON PLUG. REINSTALLED AVIONICS DOOR. OPERATIONAL CHECK WAS GOOD. NO DEFECTS WERE FOUND. AIRCRAFT WAS RETURNED TO SERVICE. (M)