Originally Posted by dvw
In all my years doing 727's I've only ever seen one set of pump gears break. Not sure of the cause. But it's not very common in my eyes.
Doug


Over 50 years for me, same findings. One thing that changed was the cut in the converter impeller hub, that helped prevent edge loading on the rotor lugs.

Last edited by Transman; 05/31/22 09:37 AM.