Pilatus Aircraft Limited

RE: Comments to Docket No. FAA-2007-29217 / Directorate Identifier 2007-CE- 075-AD (Pilatus PC-6) To whom it may concern, On behalf of Pilatus Aircraft Ltd., we would like to make the following comments on the proposed AD Docket No. FAA-2007-29217; Directorate Identifier 2007-CE- 075-AD: (1) The Pilatus Service Bulletin 71-007 lists only MSN101 to MSN760 as the applicable serial numbers, and for reasons unknown to Pilatus, the Airworthiness Directives from EASA and the FAA list all serial numbers as applicable. (2) From aircraft MSN761 onwards we already comply with Service Bulletin 71-007. (3) Pilatus Aircraft Ltd. would like to kindly request the FAA to use only the Serial Numbers quoted on Service Bulletin 71-007 (MSN101 to MSN760) as the applicable ones. Yours sincerely, L E de la Iglesia y Gotarredona Luis Enrique de la Iglesia y Gotarredona Certification Coordinator ________________________________________ Pilatus Aircraft Ltd. P.O. Box 992, 6371 Stans, Switzerland Phone: +41 41 619 69 01 Fax: +41 41 619 64 52 mailto: ldelaiglesia@pilatus-aircraft.com www.pilatus-aircraft.com