As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH TO STT AN ELECTRICAL BURNING SMELL WAS FELT ON THE AFT CABIN AREA. EMERGENCY LANDING WAS DECLARED. NO FIRE EXTINGUISHER WAS USED. OPERATIONAL CHECK OF THE AIR CONDITIONING UNITS AND LIGHTING SYSTEMS WERE CONDUCTED AND FOUND NO BURNING SMELL. (M)