Question

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

Answer 1

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.