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Airworthiness directives › 2007-11-01

AD 2007-11-01 Airworthiness Directives; Robinson Helicopter Company Model R44 and R44 II Helicopters

2007-06-27
2007-05-23
39-15058
FAA-2006-26696
Airframe
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Makes named: robinson. Models named: R44, R44 II. Read the applicability below — it usually turns on serial or part numbers too.

Applicability*9

Model R44 helicopters, through serial number (S/N) 1576, and Model R44 II helicopters, through S/N 11107, with a seat belt buckle assembly (buckle assembly) part number C628-4, revision M or prior, installed, certificated in any category.

Compliance

Required within 100 hours time-in-service, unless accomplished previously. To prevent cracking in the buckle assembly stainless support strap and failure of a seat belt, accomplish the following: (a) Remove the buckle assembly and any A130-52 buckle assembly spacer, and replace them with a C628-4, revision N buckle assembly and a new A130-52 buckle assembly spacer, in accordance with the Compliance Procedure, paragraph 3, in Robinson Helicopter Company Service Bulletin SB-56, dated March 29, 2006. The new A130-52 buckle assembly spacers have been redesigned to be slightly longer than the previous A130-52 buckle assembly spacers, to reduce friction in the joint. Note: Inspecting the buckle assembly for cracks is not required by this AD. (b) Replacing the buckle assembly and buckle assembly spacer with a C628-4, Revision N buckle assembly and a new A130-52 buckle assembly spacer is a terminating action for the requirements of this AD. (c) To request a different method of compliance or a different compliance time for this AD, follow the procedures in 14 CFR 39.19. Contact the Manager, Los Angeles Aircraft Certification Office, FAA, ATTN: Venessa Stiger, Aviation Safety Engineer, 3960 Paramount Blvd., Lakewood, California 90712-4137, telephone (562) 627-5337, fax (562) 627-5210, for information about previously approved alternative methods of compliance. (d) The replacements shall be done in accordance with Robinson Helicopter Company Service Bulletin SB-56, dated March 29, 2006. The Director of the Federal Register approved this incorporation by reference in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies may be obtained from Robinson Helicopter Company, 2901 Airport Drive, Torrance, California 90505, telephone (310) 539-0508, fax (310) 539-5198. Copies may be inspected at the FAA, Office of the Regional Counsel, Southwest Region, 2601 Meacham Blvd., Room 663, Fort Worth, Texas or at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html . (e) This amendment becomes effective on June 27, 2007. Issued in Fort Worth, Texas, on May 8, 2007. David A. Downey, Manager, Rotorcraft Directorate, Aircraft Certification Service. [FR Doc. E7-9687 Filed 5-22-07; 8:45 am] BILLING CODE 4910-13-P

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