2018-SW-075-AD, Various Experimental and Restricted Category Helicopters, to Require Revising the Rotorcraft Flight Manual to Incorporate Pre-Flight Checks; Removing Paint and Sealant, and Cleaning; Repetitive Inspections of Structural Components that Attach the Tail Boom to the Fuselage; and Depending on the Outcome of the Inspections, Repairing or Replacing components, or Re-Bonding the Structu