1. F-1203B was separated. 2. F-1203D was separated. 3. Eight holes were countersunk #40 100 and eight were countersunk #30 120 on F-01203A. 4. Two holes were expanded to 3/8 and two more were expanded to 1/2. 5. F-1203B L&R were riveted to F-01203A. 6. F-1203C were filed to remove rough edges, a template was marked on a piece of metal for later reference. 7. Two F-1203C and F-1203D-L&R were riveted to F-01203A-1.
