* Change 2 Part Dark Bluish Gray {30237 Brick, Modified 1 x 2 with Clip (Vertical Grip) (Undetermined Type) to 30237a Brick, Modified 1 x 2 with Split U Clip Thick (Vertical Grip)}
* Change 4 Part Yellow {44302 Hinge Plate 1 x 2 Locking with 2 Fingers on End (Undetermined Type) to 44302a Hinge Plate 1 x 2 Locking with 2 Fingers on End and 9 Teeth with Bottom Groove}
Comments from Submitter:
Source: set in my personal collection that was bought sealed and never mixed with parts from other sets.