As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BHM - CREW REPORTED ODOR OF SMOKE AND ELECTRICAL FUMES IN AFT PORTION OF CABIN. EMERGENCY DECLARED RETURNED BHM LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FLIGHT FERRIED TO LGA FOR REPAIRS. FOUND HYDRAULIC LEAK COMING FROM LEFT THRUST REVERSER CONTROL VALVE. REPLACED AUXILIARY POWER UNIT AND FLEX LINE.