26-03 step 4 creates the Inboard Seat Ribs, but the missing dimple is on the next seat ribs outboard of them on both sides. So it has to be a different step, if it's there.
26-03 step 2 is to dimple a single #30 hole in all of the seat ribs, but that's the front edge of the baggage floor so it's not the missing one, either.
I searched for the word dimple anywhere in section 26. It comes up a lot but I couldn't find anything that matches these two.
I'm just going to dimple the matching holes...after very carefully triple-checking which holes they are. It doesn't seem to make sense to lose any sleep over this one.
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