As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN CRUISE FLIGHT AT FL330, CREW RECEIVED A STALL FAIL MSG. WHICH WAS TAKEN CARE OFF WITH NO ISSUES. FOLLOWED BY AN APU OIL TEMPERATURE CAUTION MESSAGE, RAN QRH FOR TEMP AND PRESSURE BOTH INDICATED TO LAND AT MOST SUITABLE. CAPT DECLARED AN EMERGENCY AND DIVERTED TO BHM. CABIN WAS PREPARE FOR EMERGENCY, NO BRACING, EMERGENCY EQUIPMENT MET AIRCRAFT ON ARRIVAL AND ESCORTED TO GATE. A/C WAS DEPLANED ALL NORMAL. RESET CBS AND PROBLEM DID NOT RETURN.