I continued with test fitting the top skins.
The forward top skin fits perfectly, left side:
Antenna bracket needs some hole match drilling:
The seat-belt attachments brackets had cables that were too long. TAF replaced those. The new assemblies have the correct length:
Next I cleco’d an angle to the bottom of the rear rf top skin to pull the skin straight:
But hole alignment of the rear top skin is bad:
Steps were next, the manual is incorrect here. I will double check how the steps will be mounted: