A Van Air Europe Let L-410, registration OK-VAA performing flight V9-10 from Tbilisi to Mestia (Georgia), had landed on Mestia's runway and was rolling out, when the pilot flying, first officer, engaged reverse. Subsequently the first officer asked the captain to move the throttle lever from flight idle to ground idle positions and the propeller control lever to feathered. The crew noticed that the generator had disconnected and the left engine (PT6A) had stopped. When the crew attempted to taxi to the apron with one engine ATC advised there was smoke coming from the left hand engine. The crew stopped on the runway, shut the right hand engine down and evacuated the passengers through the front right door. Emergency services responded, there were no injuries, no fire was detected and the smoke gradually ceased.
Czechia's UZPLN reported the left hand stop lever was unintentionally pulled from flight idle (forward position) beyond ground idle (middle position) briefly into the stop position (aft position) causing the engine to shut down. However, as the lever returned to ground idle, fuel supply to the hot combustion chamber was restored causing the intense smoke. As it is possible to unintentionally move the lever crews are recommended to move the lever only once the aircraft has been safely slowed.
Czechia's UZPLN reported the left hand stop lever was unintentionally pulled from flight idle (forward position) beyond ground idle (middle position) briefly into the stop position (aft position) causing the engine to shut down. However, as the lever returned to ground idle, fuel supply to the hot combustion chamber was restored causing the intense smoke. As it is possible to unintentionally move the lever crews are recommended to move the lever only once the aircraft has been safely slowed.
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