As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EN ROUTE TO GSO THE CREW REPORTED A BURNING SMELL IN FRONT OF THE CABIN. THE AIRCRAFT DIVERTED TO MOB WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE PERFORMED AN INSPECTION OF THE AIRCRAFT, HIGH-POWER ENGINE RUNS AND OPERATES THE AIR CONDITIONING PACKS HOWEVER THE CONDITION COULD NOT BE DUPLICATED.