2021-26-12: Landing Gear System

1. The authority citation for part 39 continues to read as follows: Authority: 49 U.S.C. 106(g), 40113, 44701. 2. The FAA amends § 39.13 by adding the following new airworthiness directive: 2021-26-12 Stemme AG: Amendment 39-21871; Docket No. FAA-2021-0842; Project Identifier 2019-CE-032-AD. (a) Effective Date This airworthiness directive (AD) is effective February 24, 2022. (b) Affected ADs None. (c) Applicability This AD applies to Stemme AG Model Stemme S 12 gliders, serial numbers 12-002 through 12-026, inclusive, certificated in any category. (d) Subject Joint Aircraft System Component (JASC) Code 3200, Landing Gear System. (e) Unsafe Condition This AD was prompted by mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as incorrect installation of an axle connecting the main landing gear (MLG) to the center steel frame of the glider. The FAA is issuing this AD to prevent failure of the MLG. The unsafe condition, if not addressed, could result in damage to the glider and possible injury to occupants. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Required Actions (1) Before further flight after the effective date of this AD, visually inspect the MLG left-hand and right-hand legs for proper installation as depicted in Figure 3 of Stemme Service Bulletin No. P062-980037, Revision 00, dated June 5, 2019 (SB P062-980037). (2) If the MLG installation is not as depicted in Figure 3 of SB P062-980037, before further flight, inspect the MLG installation for damage in accordance with the Actions section, Action 2, in SB P062-980037, except you are not required to contact Stemme if there is damage. Instead, repair any damage using a method approved by the FAA or the European Union Aviation Safety Agency (EASA). (h) Alternative Methods of Compliance (AMOCs) (1) The Manager, International Validation Branch, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. In accordance with 14 CFR 39.19, send your request to your principal inspector or local Flight Standards District Office, as appropriate. If sending information directly to the manager of the certification office, send it to the attention of the person identified in paragraph (i)(1) of this AD and email to: [email protected]. (2) Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the local flight standards district office/certificate holding district office. (i) Related Information (1) For more information about this AD, contact Jim Rutherford, Aviation Safety Engineer, General Aviation & Rotorcraft Section, International Validation Branch, FAA, 901 Locust, Room 301, Kansas City, MO 64106; phone: (816) 329-4165; fax: (816) 329-4090; email: [email protected]. (2) Refer to EASA AD 2019-0130-E, dated June 7, 2019, for more information. You may examine the EASA AD in the AD docket at https://www.regulations.gov by searching for and locating Docket No. FAA-2021-0842. (j) Material Incorporated by Reference (1) The Director of the Federal Register approved the incorporation by reference of the service information listed in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51. (2) You must use this service information as applicable to do the actions required by this AD, unless the AD specifies otherwise. (i) Stemme Service Bulletin No. P062-980037, Revision 00, dated June 5, 2019. Note 1 to paragraph (j)(2)(i): This service information has Feb-29 and July 14, 2017, in the footer of the document. Feb-29 refers to the form number and July 14, 2017, is the revision date of the form used to write the service information. For enforceability purposes, the FAA will cite the Stemme AG service information using the release date of June 5, 2019, that is located in the footer on the bottom of page 1 and used in EASA AD 2019-0130-E, dated June 7, 2019. Note 2 to paragraph (j)(2)(i): This service information contains German to English translation. EASA used the English translation in referencing the document from Stemme AG. For enforceability purposes, the FAA will cite the Stemme AG service information in English as it appears on the document. (ii) [Reserved] (3) For service information identified in this AD, contact STEMME AG, Flugplatzstrasse F2, Nr. 6-7, D-15344 Strausberg, Germany; phone: +49 (0) 3341 3612-0; fax: +49 (0) 3341 3612-30; email: [email protected]; website: https://www.stemme.com. (4) You may view this service information at FAA, Airworthiness Products Section, Operational Safety Branch, 901 Locust, Kansas City, MO 64106. For information on the availability of this material at the FAA, call (817) 222-5110. (5) You may view this service information that is incorporated by reference at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, email: [email protected], or go to: https://www.archives.gov/federal-register/cfr/ibr-locations.html. Issued on December 9, 2021. Lance T. Gant, Director, Compliance & Airworthiness Division, Aircraft Certification Service. [FR Doc. 2022-00968 Filed 1-19-22; 8:45 am]BILLING CODE 4910-13-P