* Change 6 Part Dark Bluish Gray {3794 Plate, Modified 1 x 2 with 1 Stud (Jumper) (Undetermined Type) to 3794a Plate, Modified 1 x 2 with 1 Stud without Groove (Jumper)}
* Change 4 Part Light Bluish Gray {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 with Bottom Groove}
* Change 6 Part Red {3794 Plate, Modified 1 x 2 with 1 Stud (Jumper) (Undetermined Type) to 3794a Plate, Modified 1 x 2 with 1 Stud without Groove (Jumper)}
* Change 2 Part White {2453 Brick 1 x 1 x 5 - Undetermined Stud Type to 2453a Brick 1 x 1 x 5 - Blocked Open Stud or Hollow Stud}
* Change 2 Part White {44301 Hinge Plate 1 x 2 Locking with 1 Finger On End (undetermined type) to 44301b Hinge Plate 1 x 2 Locking with 1 Finger On End without Bottom Groove}
Comments from Submitter:
Source: Set from my own collection which was bought new and not mixed with other sets.