As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MASTER CAUTION ILLUMINATED ALONG WITH AURAL WARNING REFERENCED QRH. THEN GOT A BURNING SMELL THROUGHOUT THE AIRCRAFT, DECLARED AN EMERGENCY DIVERTED TO CHARLESTON INTERNATIONAL AIRPORT CHARLESTON. PERFORMED SEVERAL ENGINE RUNS WITH BLEEDS ON, CND.