AD 2009-04-08 Airworthiness Directives; BURKHART GROB LUFT-UND RAUMFAHRT GmbH & CO KG G103 Series Gliders

This AD applies to the following models and serial numbers (SNs) gliders, certificated in any category: (1) G103 TWIN II, SNs 3730 through 3878; (2) G103A TWIN II ACRO, SNs 3730 through 34078 (K); (3) G103C TWIN III ACRO, SNs 34101 through 34203; and (4) G 103 C TWIN III SL, SNs 35001 through 35051.

Unless already done, within 60 days after March 31, 2009 (the effective date of this AD), do the following actions following Grob Aerospace Service Bulletin No. MSB 315-76/1 and No. 869-27/1 (same document), dated June 23, 2008: (1) Remove bolt LN9037-M6x60 from the airbrake bell crank 103B-4437 and install a new bolt LN9037-M6x60 with the new locking nut LN9348-M6 and torque the bolt to 6.4 Nm (4.7 lbs.ft). (2) Inspect all parts of the airbrake bell crank including the attachment parts for any damage and, before further flight, replace any damaged parts. (3) Inspect the airbrake locking force of the left-hand (LH) and right-hand (RH) wing using a spring balance. The force must be equal for the LH and RH wing (guidance value: 10 ± 2 daN, (22.5 ± 4.5 lbs)) and the locking must be clearly noticeable. (4) Inspect the airbrake locking force at the operating lever in the front cockpit with the wings rigged. The guidance value is 10 ± 2 daN, (22.5 ± 4.5 lbs). It must not exceed 15-20 daN (33.7-45.0 lbs). FAA AD Differences Note: This AD differs from the MCAI and/or service information as follows: No differences. Other FAA AD Provisions (g) The following provisions also apply to this AD: (1) Alternative Methods of Compliance (AMOCs): The Manager, Standards Office, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. Send information to ATTN: Greg Davison, Glider Program Manager, FAA, Small Airplane Directorate, 901 Locust, Room 301, Kansas City, Missouri 64106; telephone: (816) 329-4130; fax: (816) 329-4090. Before using any approved AMOC on any airplane to which the AMOC applies, notify your appropriate principal inspector (PI) in the FAA Flight Standards District Office (FSDO), or lacking a PI, your local FSDO. (2) Airworthy Product: For any requirement in this AD to obtain corrective actions from a manufacturer or other source, use these actions if they are FAA-approved. Corrective actions are considered FAA-approved if they are approved by the State of Design Authority (or their delegated agent). You are required to assure the product is airworthy before it is returned to service. (3) Reporting Requirements: For any reporting requirement in this AD, under the provisions of the Paperwork Reduction Act (44 U.S.C. 3501 et seq. ), the Office of Management and Budget (OMB) has approved the information collection requirements and has assigned OMB Control Number 2120-0056. Related Information (h) Refer to MCAI Federal Republic of Germany Luftfahrt-Bundesamt AD D-2008-231, dated July 11, 2008; and AD D-2008-232, dated July 11, 2008; and Grob Aerospace Service Bulletin No. MSB 315-76/1 and No. 869-27/1 (same document), dated June 23, 2008, for related information. Material Incorporated by Reference (i) You must use Grob Aerospace Service Bulletin No. MSB 315-76/1 and No. 869-27/1 (same document), dated June 23, 2008, to do the actions required by this AD, unless the AD specifies otherwise. (1) The Director of the Federal Register approved the incorporation by reference of this service information under 5 U.S.C. 552(a) and 1 CFR part 51. (2) For service information identified in this AD, contact GROB Luft-und Raumfahrt, Lettenbachstrasse 9, D-86874 Tussenhausen-Mattsies, Germany; telephone: + 011 49 8268 998139; facsimile: + 011 49 8268 998200; E-mail: productsupport@grob-aerospace.de; Internet: http://www.grob-aerospace.net. (3) You may review copies of the service information incorporated by reference for this AD at the FAA, Central Region, Office of the Regional Counsel, 901 Locust, Kansas City, Missouri 64106. For information on the availability of this material at the Central Region, call (816) 329-3768. (4) You may also review copies of the service information incorporated by reference for this AD 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 . Issued in Kansas City, Missouri, on February 6, 2009. Kim Smith, Manager, Small Airplane Directorate, Aircraft Certification Service. [FR Doc. E9-3116 Filed 2-23-09; 8:45 am] BILLING CODE 4910-13-P

Unless already done, within 60 days after March 31, 2009 (the effective date of this AD), do the following actions following Grob Aerospace Service Bulletin No. MSB 315-76/1 and No. 869-27/1 (same document), dated June 23, 2008: (1) Remove bolt LN9037-M6x60 from the airbrake bell crank 103B-4437 and install a new bolt LN9037-M6x60 with the new locking nut LN9348-M6 and torque the bolt to 6.4 Nm (4.7 lbs.ft). (2) Inspect all parts of the airbrake bell crank including the attachment parts for any damage and, before further flight, replace any damaged parts. (3) Inspect the airbrake locking force of the left-hand (LH) and right-hand (RH) wing using a spring balance. The force must be equal for the LH and RH wing (guidance value: 10 ± 2 daN, (22.5 ± 4.5 lbs)) and the locking must be clearly noticeable. (4) Inspect the airbrake locking force at the operating lever in the front cockpit with the wings rigged. The guidance value is 10 ± 2 daN, (22.5 ± 4.5 lbs). It must not exceed 15-20 daN (33.7-45.0 lbs). FAA AD Differences Note: This AD differs from the MCAI and/or service information as follows: No differences. Other FAA AD Provisions (g) The following provisions also apply to this AD: (1) Alternative Methods of Compliance (AMOCs): The Manager, Standards Office, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. Send information to ATTN: Greg Davison, Glider Program Manager, FAA, Small Airplane Directorate, 901 Locust, Room 301, Kansas City, Missouri 64106; telephone: (816) 329-4130; fax: (816) 329-4090. Before using any approved AMOC on any airplane to which the AMOC applies, notify your appropriate principal inspector (PI) in the FAA Flight Standards District Office (FSDO), or lacking a PI, your local FSDO. (2) Airworthy Product: For any requirement in this AD to obtain corrective actions from a manufacturer or other source, use these actions if they are FAA-approved. Corrective actions are considered FAA-approved if they are approved by the State of Design Authority (or their delegated agent). You are required to assure the product is airworthy before it is returned to service. (3) Reporting Requirements: For any reporting requirement in this AD, under the provisions of the Paperwork Reduction Act (44 U.S.C. 3501 et seq. ), the Office of Management and Budget (OMB) has approved the information collection requirements and has assigned OMB Control Number 2120-0056. Related Information (h) Refer to MCAI Federal Republic of Germany Luftfahrt-Bundesamt AD D-2008-231, dated July 11, 2008; and AD D-2008-232, dated July 11, 2008; and Grob Aerospace Service Bulletin No. MSB 315-76/1 and No. 869-27/1 (same document), dated June 23, 2008, for related information. Material Incorporated by Reference (i) You must use Grob Aerospace Service Bulletin No. MSB 315-76/1 and No. 869-27/1 (same document), dated June 23, 2008, to do the actions required by this AD, unless the AD specifies otherwise. (1) The Director of the Federal Register approved the incorporation by reference of this service information under 5 U.S.C. 552(a) and 1 CFR part 51. (2) For service information identified in this AD, contact GROB Luft-und Raumfahrt, Lettenbachstrasse 9, D-86874 Tussenhausen-Mattsies, Germany; telephone: + 011 49 8268 998139; facsimile: + 011 49 8268 998200; E-mail: productsupport@grob-aerospace.de; Internet: http://www.grob-aerospace.net. (3) You may review copies of the service information incorporated by reference for this AD at the FAA, Central Region, Office of the Regional Counsel, 901 Locust, Kansas City, Missouri 64106. For information on the availability of this material at the Central Region, call (816) 329-3768. (4) You may also review copies of the service information incorporated by reference for this AD 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 . Issued in Kansas City, Missouri, on February 6, 2009. Kim Smith, Manager, Small Airplane Directorate, Aircraft Certification Service. [FR Doc. E9-3116 Filed 2-23-09; 8:45 am] BILLING CODE 4910-13-P