LEVELUP 737-900(ER) profile for the free ground handling plugin found here :
Simple Ground Service (based on SNLE) - Utilities - X-Plane.Org Forum
Place 'sgs_737_9ENG.txt' in your '737NG Series' root folder.
Hope you enjoy.
NOTE : Currently the cargo doors on the 9ER are not opening most likely due to the aircraft just being released. I may re adjust the loaders once this issue is fixed.