AD 2008-08-07 Airworthiness Directives; Saab Model SAAB-Fairchild SF340A (SAAB/SF340A) and SAAB 340B Airplanes

Models named: SAAB 340B. Read the applicability below — it usually turns on serial or part numbers too.

This AD applies to the airplanes listed in paragraphs (c)(1) and (c)(2) of this AD, certificated in any category, unless equipped with main landing gear (MLG) shock struts modified in accordance with APPH Service Bulletin AIR83064-32-12 or AIR83022-32-32. (1) Saab Model SAAB-Fairchild SF340A (SAAB/SF340A) airplanes, serial numbers (S/Ns) SF340A-004 through -159. (2) Saab Model SAAB 340B airplanes, S/Ns 340B-160 through -459.

Unless already done, do the following actions. (1) Within 8,000 flight cycles since the last MLG overhaul, or within 1,500 flight cycles, or 6 months after the effective date of this AD, whichever occurs latest: Inspect the MLG in accordance with the Accomplishment Instructions of Saab Service Bulletin 340-32-133, Revision 01, dated May 3, 2006. If any crack is found, before further flight: Replace the axle adaptor in accordance with the Accomplishment Instructions of Saab Service Bulletin 340-32-133, Revision 01, dated May 3, 2006. (2) Repeat the inspection required by paragraph (f)(1) of this AD thereafter at intervals not to exceed 2,000 flight cycles until the terminating action required by paragraph (f)(3) of this AD is accomplished. (3) Within 12,000 flight cycles after the effective date of this AD, or at the next MLG overhaul, whichever occurs earlier: Inspect and modify the MLG shock strut and axle adaptors in accordance with the Accomplishment Instructions of APPH Service Bulletin AIR83064-32-12, Revision 3, dated April 26, 2006; or AIR83022-32-32, Revision 3, dated April 26, 2006; as applicable. (4) Actions done before the effective date of this AD in accordance with the service bulletins listed in paragraphs (f)(4)(i), (f)(4)(ii), and (f)(4)(iii) of this AD, as applicable, are acceptable for compliance with the corresponding actions in this AD. (i) Saab Service Bulletin 340-32-133, dated April 19, 2006. (ii) APPH Service Bulletin AIR83064-32-12, dated January 2006; Revision 1, dated January 23, 2006; and Revision 2, dated March 30, 2006. (iii) APPH Service Bulletin AIR83022-32-32, dated January 2006; Revision 1, dated January 23, 2006; and Revision 2, dated March 30, 2006. (5) As of the effective date of this AD, no person may install an MLG shock strut having part number (P/N) AIR83022 or AIR83064, or axle adaptor having P/N AIR127308, AIR390226, or AIR130238, unless it has been inspected and modified in accordance with APPH Service Bulletin AIR83022-32-32 or AIR83064-32-12, as specified in paragraph (f)(3), (f)(4)(ii), or (f)(4)(iii) of this AD, as applicable. 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, ANM-116, International Branch, Transport Airplane Directorate, 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: Mike Borfitz, Aerospace Engineer, International Branch, ANM-116, FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington 98057-3356; telephone (425) 227-2677; fax (425) 227-1149. 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, 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 EASA Airworthiness Directive 2006-0263, dated August 29, 2006; Saab Service Bulletin 340-32-133, Revision 01, dated May 3, 2006; APPH Service Bulletin AIR83064-32-12, Revision 3, dated April 26, 2006; and APPH Service Bulletin AIR83022-32-32, Revision 3, dated April 26, 2006; for related information. Material Incorporated by Reference (i) You must use the service information specified in Table 1 of this AD 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 Saab Aircraft AB, SAAB Aircraft Product Support, S-581.88, Linköping, Sweden. (3) You may review copies at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; 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/cfr/ibr-locations.html . Table 1.—Material Incorporated by Reference Service Bulletin Revision Date APPH Service Bulletin AIR83022-32-32 3 April 26, 2006. APPH Service Bulletin AIR83064-32-12 3 April 26, 2006. Saab Service Bulletin 340-32-133 01 May 3, 2006. Issued in Renton, Washington, on March 31, 2008. Dionne Palermo, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. E8-7299 Filed 4-11-08; 8:45 am] BILLING CODE 4910-13-P

Unless already done, do the following actions. (1) Within 8,000 flight cycles since the last MLG overhaul, or within 1,500 flight cycles, or 6 months after the effective date of this AD, whichever occurs latest: Inspect the MLG in accordance with the Accomplishment Instructions of Saab Service Bulletin 340-32-133, Revision 01, dated May 3, 2006. If any crack is found, before further flight: Replace the axle adaptor in accordance with the Accomplishment Instructions of Saab Service Bulletin 340-32-133, Revision 01, dated May 3, 2006. (2) Repeat the inspection required by paragraph (f)(1) of this AD thereafter at intervals not to exceed 2,000 flight cycles until the terminating action required by paragraph (f)(3) of this AD is accomplished. (3) Within 12,000 flight cycles after the effective date of this AD, or at the next MLG overhaul, whichever occurs earlier: Inspect and modify the MLG shock strut and axle adaptors in accordance with the Accomplishment Instructions of APPH Service Bulletin AIR83064-32-12, Revision 3, dated April 26, 2006; or AIR83022-32-32, Revision 3, dated April 26, 2006; as applicable. (4) Actions done before the effective date of this AD in accordance with the service bulletins listed in paragraphs (f)(4)(i), (f)(4)(ii), and (f)(4)(iii) of this AD, as applicable, are acceptable for compliance with the corresponding actions in this AD. (i) Saab Service Bulletin 340-32-133, dated April 19, 2006. (ii) APPH Service Bulletin AIR83064-32-12, dated January 2006; Revision 1, dated January 23, 2006; and Revision 2, dated March 30, 2006. (iii) APPH Service Bulletin AIR83022-32-32, dated January 2006; Revision 1, dated January 23, 2006; and Revision 2, dated March 30, 2006. (5) As of the effective date of this AD, no person may install an MLG shock strut having part number (P/N) AIR83022 or AIR83064, or axle adaptor having P/N AIR127308, AIR390226, or AIR130238, unless it has been inspected and modified in accordance with APPH Service Bulletin AIR83022-32-32 or AIR83064-32-12, as specified in paragraph (f)(3), (f)(4)(ii), or (f)(4)(iii) of this AD, as applicable. 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, ANM-116, International Branch, Transport Airplane Directorate, 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: Mike Borfitz, Aerospace Engineer, International Branch, ANM-116, FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington 98057-3356; telephone (425) 227-2677; fax (425) 227-1149. 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, 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 EASA Airworthiness Directive 2006-0263, dated August 29, 2006; Saab Service Bulletin 340-32-133, Revision 01, dated May 3, 2006; APPH Service Bulletin AIR83064-32-12, Revision 3, dated April 26, 2006; and APPH Service Bulletin AIR83022-32-32, Revision 3, dated April 26, 2006; for related information. Material Incorporated by Reference (i) You must use the service information specified in Table 1 of this AD 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 Saab Aircraft AB, SAAB Aircraft Product Support, S-581.88, Linköping, Sweden. (3) You may review copies at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; 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/cfr/ibr-locations.html . Table 1.—Material Incorporated by Reference Service Bulletin Revision Date APPH Service Bulletin AIR83022-32-32 3 April 26, 2006. APPH Service Bulletin AIR83064-32-12 3 April 26, 2006. Saab Service Bulletin 340-32-133 01 May 3, 2006. Issued in Renton, Washington, on March 31, 2008. Dionne Palermo, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. E8-7299 Filed 4-11-08; 8:45 am] BILLING CODE 4910-13-P