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A clicking sound heard at engine coast-down in a pneumatic starter incorporating a sprag clutch ratchet assembly is an indication of___________.

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Answer:

A clicking sound heard at engine coast-down in a pneumatic starter incorporating a sprag clutch ratchet assembly is an indication of the **ratchet disengaging**. This is a normal sound that occurs as the sprag clutch disengages from the starter's drive mechanism during the engine coast-down phase.

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