As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STALL WARNING TEST, WITH RT AOA SENSOR CB OPEN F31 & FLIGHT OFFICER`S ALT AIR DATA SELECTED, ELEX WARNING STATUS WILL NOT CLEAR & THEREFORE NO STICK SHAKER. SWAPPED STALL WARNING CARDS M938, M615 & TRIED AIR DATA COMPUTER. NO HELP. SUSPECT CAPTAIN`S AOA SENSOR.