Regulatory Requirement (see details)

Source Text

Within 200 hours TIS or 12 months, whichever occurs first after the initial inspection required by paragraph (i)(2) of this AD, and thereafter at intervals not to exceed 210 hours TIS or 13 months, whichever occurs first, accomplish the repetitive inspections of the airplane in accordance with the instructions of Section IV, steps 2 through 6, of the Diamond Aircraft work instruction specified in paragraph (f) of this AD.