Originally Posted by
MAC 40612
With regard to all the smoke on start up, I would suggest that is completely normal for any jet turbine that has been been out of service for a period as an inhibitor is used to keep the engine serviceable and when first started, that is always the effect. We had the same clouds of smoke on start up on both Boeing 747-400s and Boeing 777 after an engine change on the first ground run.
V 22 Ospreys also do it on every start probably because of the angle of the engines when parked.