Inspection Post Assembly.
Verify  the rivet button diameter of the rivet tail 0.122 inch (3.099mm).
Verify  the rivet button thickness must be between 0.038 to 0.060 inch (0.965-to 1.524 mm).
Verify the Flushness of the Rivet is between +0.010inch (0.254mm),-.000inch (0.0000mm). Per BAC5004-1.
Ensure FOD free surface.