Airworthiness directives › 97-24-08
AD 97-24-08 Airworthiness Directives; Burkhart Grob, Luft-und Raumfahrt, GmbH. Model G102 Astir CS Sailplanes
Applicability*9
Model G102 Astir CS sailplanes (serial numbers 1001 through 1536), certificated in any category. Note 1: This AD applies to each sailplane identified in the preceding applicability provision, regardless of whether it has been modified, altered, or repaired in the area subject to the requirements of this AD. For sailplanes 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 (d) 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 the unsafe condition has not been eliminated, the request should include specific proposed actions to address it.
Compliance
Required within the next 20 hours time-in-service (TIS) after the effective date of this AD, unless already accomplished. Note 2: The compliance time in this AD does not reflect the compliance time given in the Grob service bulletin or the LBA AD 94- 317/2 Grob, dated April 21, 1995. To prevent failure of the elevator control lever, which could result in loss of control of the sailplane, accomplish the following: (a) Replace the elevator control lever, Burkhart Grob Luft-und Raumfahrt (Grob) part number (P/N) 102-3542 (or FAA-approved equivalent part number), with an elevator control lever of improved design (Grob P/N 102-3543 or FAA-approved equivalent part number) in accordance with the ``Procedure'' section of the Grob Installation Instructions No. 306-30/1, dated October 11, 1994, which are referenced in the ``Actions: 2'' section of Grob Service Bulletin (SB) TM 306-33, dated September 15, 1994. (b) Accomplish the weight and balance procedure required in Item 4 of the ``Procedure'' section in Grob Installation Instructions No. 306-30/1, dated October 11, 1994, by following the ``Procedure'' and ``Actions'' section in Grob SB No. 306-34, dated December 4, 1994. (c) Special flight permits may be issued in accordance with sections 21.197 and 21.199 [[Page 62948]] of the Federal Aviation Regulations (14 CFR 21.197 and 21.199) to operate the sailplane to a location where the requirements of this AD can be accomplished. (d) An alternative method of compliance or adjustment of the compliance time that provides an equivalent level of safety may be approved by the Manager, Small Airplane Directorate, Aircraft Certification Service, FAA, 1201 Walnut, suite 900, Kansas City, Missouri 64106. The request shall be forwarded through an appropriate FAA Maintenance Inspector, who may add comments and then send it to the Manager, Small Airplane Directorate. Note 3: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Small Airplane Directorate. (e) The replacement required by this AD shall be done in accordance with the Grob Luft-Und Raumfahrt Installation Instructions No. 306-30/1, dated October 11, 1994, Grob Luft-und Raumfahrt Service Bulletin TM 306-33, dated September 15, 1994, and Grob Luft-und Raumfahrt Service Bulletin Service Bulletin No. 306- 34, dated December 4, 1994. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies may be obtained from Grob Luft-und Raumfahrt, GmbH, Postfach 1257, D-87712, Mindelheim, Germany. Copies may be inspected at the FAA, Central Region, Office of the Regional Counsel, Room 1558, 601 E. 12th Street, Kansas City, Missouri, or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. Note 4: The actions specified in this AD are addressed in German AD 94-317/2 Grob, dated April 21, 1995. (f) This amendment (39-10215) becomes effective on January 5, 1998. Issued in Kansas City, Missouri, on November 17, 1997. Larry E. Werth, Acting Manager, Small Airplane Directorate, Aircraft Certification Service. [FR Doc. 97-30867 Filed 11-25-97; 8:45 am] BILLING CODE 4910-13-U
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