If there is no ITT rise in 20 seconds after start, what should you do?

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Multiple Choice

If there is no ITT rise in 20 seconds after start, what should you do?

Explanation:
During a turbine engine start, ITT should rise once fuel is flowing and ignition occurs, signaling that combustion is starting. If there is no ITT rise within about 20 seconds after you select start, it means ignition hasn’t begun and the engine isn’t actually starting. Continuing to crank in this situation can flood the engine with unignited fuel, waste electrical power, and risk damage from a hot or stalled start. The safe, correct action is to abort the start, secure the engine, and troubleshoot the ignition/fuel system before attempting another start.

During a turbine engine start, ITT should rise once fuel is flowing and ignition occurs, signaling that combustion is starting. If there is no ITT rise within about 20 seconds after you select start, it means ignition hasn’t begun and the engine isn’t actually starting. Continuing to crank in this situation can flood the engine with unignited fuel, waste electrical power, and risk damage from a hot or stalled start. The safe, correct action is to abort the start, secure the engine, and troubleshoot the ignition/fuel system before attempting another start.

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