ANGLE-OF-ATTACK HEATER FAILURE (AOA HTR FAIL CAUTION LIGHT ON AND MASTER CAUTION)
1. Pitot-Static Switch - CHECK ON.
2. AOA HTR Circuit Breaker - CHECK IN.
3. Leave icing environment as soon as practical.
NOTE
• WARNING: DO NOT REDUCE AIRSPEED BELOW VREF (FLAPS 35°), VREF + 10 (FLAPS 15°) OR VREF + 15 (FLAPS UP). IF THE AOA PROBE BECOMES ICED, THE STICK SHAKER MAY NOT FUNCTION.