As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA FLIGHT NR 2324: CLIMBING THROUGH FLIGHT LEVEL 190 INDICATING 230 KNOTS, NR 1 STICK SHAKER ACTIVATED FOR 2-3 MINUTES. NO CAUTION ASSOCIATED WITH STICK SHAKER. MAINTENANCE REMOVED AND REPLACED LT AOA TRANSDUCER IAW Q400 MM TASK 27-33-26 PAGE 401-405. OPS CHECK GOOD PER FUNCTIONAL TEST OF THE AOA TRANSDUCER TASK NR 27-33-26-720-001. OCF SATISFACTORY. AIRCRAFT RETURNED TO SERVICE.