2002-21-08: Aileron assembly

2002-21-08 Pilatus Aircraft Ltd.: Amendment 39-12914; Docket No. 2002-CE-08-AD. (a) What airplanes are affected by this AD? This AD affects Model PC-6 airplanes, all manufacturer serial numbers (MSN) up to and including 939, that are certificated in any category. (b) Who must comply with this AD? Anyone who wishes to operate any of the airplanes identified in paragraph (a) of this AD must comply with this AD. (c) What problem does this AD address? The actions specified by this AD are intended to correct improper aileron assembly configuration, which could result in failure of the aileron mass balance weight. Such failure could lead to loss of control of the airplane. (d) What actions must I accomplish to address this problem? To address this problem, you must accomplish the following: Actions Compliance Procedures (1) Inspect the aileron assembly for proper configuration. Within the next 30 days after December 6, 2002 (the effective date of this AD), unless already accomplished. In accordance with Pilatus Service Bulletin No. 62B, dated May 1967, as in Pilatus PC-6 Service Bulletin No. 57-001, dated December 20, 2001. (2) If the aileron assembly configuration incorporates aileron part number (P/N) 6106.10.xxx or P/N 6106.0010.xxx modify the assembly in accordance with Pilatus Service Bulletin No. 62B, dated May 1967, and install a placard. Prior to further flight after the inspection required in paragraph (d)(1) of this AD, unless already accomplished. Modify in accordance with Pilatus Service Bulletin No. 62B, dated May 1967. Install the placard in accordance with Pilatus PC-6 Service Bulletin No. 57-001, dated December 20, 2001. (3) If the aileron assembly configuration differs from that specified in Pilatus Service Bulletin No. 62B, dated May 1967, or if the part numbers are missing and cannot be verified: (i) obtain a repair scheme from the manufacturer through the FAA at the address specified in paragraph (f) of this AD; and (ii) incorporate this repair scheme. Prior to further flight after the inspection required in paragraph (d)(1) of this AD, unless already accompished. In accordance with Pilatus PC-6 Service Bulletin No. 57-001, dated December 20, 2001. (4) Do not install any aileron assembly unless the inspection, modification, placard, and repair requirements (as applicable) of paragraphs (d)(1), (d)(2), (d)(3), (d)(3)(i), and (d)(3)(ii) of this AD are accomplished. As of December 6, 2002 (the effective date of this AD). In accordance with Pilatus PC-6 Service Bulletin No. 57-001, dated December 20, 2001. (e) Can I comply with this AD in any other way? You may use an alternative method of compliance or adjust the compliance time if: (1) Your alternative method of compliance provides an equivalent level of safety; and (2) The Standards Office Manager, Small Airplane Directorate, approves youralternative. Submit your request through an FAA Principal Maintenance Inspector, who may add comments and then send it to the Standards Office Manager. Note 1: This AD applies to each airplane identified in paragraph (a) of this AD, regardless of whether it has been modified, altered, or repaired in the area subject to the requirements of this AD. For airplanes that have been modified, altered, or repaired so that the performance of the requirements of this AD is affected, the owner/ operator must request approval for an alternative method of compliance in accordance with paragraph (e) of this AD. The request should include an assessment of the effect of the modification, alteration, or repair on the unsafe condition addressed by this AD; and, if you have not eliminated the unsafe condition, specific actions you propose to address it. (f) Where can I get information about any already-approved alternative methods of compliance? Contact Doug Rudolph, Aerospace Engineer, FAA, Small Airplane Directorate, 901 Locust, Room 301, Kansas City, Missouri 64106; telephone: (816) 329-4059; facsimile: (816) 329-4090. (g) What if I need to fly the airplane to another location to comply with this AD? The FAA can issue a special flight permit under sections 21.197 and 21.199 of the Federal Aviation Regulations (14 CFR 21.197 and 21.199) to operate your airplane to a location where you can accomplish the requirements of this AD. (h) Are any service bulletins incorporated into this AD by reference? Actions required by this AD must be done in accordance with Pilatus Service Bulletin No. 62B, dated May 1967, and Pilatus PC-6 Service Bulletin No. 57-001, dated December 20, 2001. The Director of the Federal Register approved this incorporation by reference under 5 U.S.C. 552(a) and 1 CFR part 51. You may get copies from Pilatus Aircraft Ltd., Customer Liaison Manager, CH-6371 Stans, Switzerland; telephone: +41 41 619 6319; facsimile: +41 41 619 6224; or from Pilatus Business Aircraft Ltd., Product Support Department, 11755 Airport Way, Broomfield, Colorado 80021; telephone: (303) 465-9099; facsimile: (303) 465-6040. You may view copies at the FAA, Central Region, Office of the Regional Counsel, 901 Locust, Room 506, Kansas City, Missouri, or at the Office of the Federal Register, 800 North Capitol Street, NW, suite 700, Washington, DC. Note 2: The subject of this AD is addressed in Swiss AD HB 2002- 001, dated February 8, 2002. (i) When does this amendment become effective? This amendment becomes effective on December 6, 2002.