2019-21-12: Reciprocating Engine Cylinder Section

Adoption of the Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part 39 as follows: PART 39--AIRWORTHINESS DIRECTIVES 0 1. The authority citation for part 39 continues to read as follows: Authority: 49 U.S.C. 106(g), 40113, 44701. Sec. 39.13 December 1, 2019 [Amended] 0 2. The FAA amends Sec. 39.13 by adding the following new airworthiness directive (AD): 2019-21-12 BRP-Rotax GmbH & Co KG (Type Certificate previously held by BRP-Powertrain GmbH & Co KG; Bombardier-Rotax GmbH): Amendment 39-19778; Docket No. FAA-2019-0747; Product Identifier 2019-NE-26- AD. (a) Effective Date This AD is effective November 19, 2019. (b) Affected ADs None. (c) Applicability This AD applies to BRP-Rotax GmbH & Co KG (Type certificate previously held by BRP-Powertrain GmbH & Co KG, Bombardier-Rotax GmbH) (Rotax) Model 914 F2, 914 F3, and 914 F4 engines, with an exhaust valve partnumber (P/N) 854113 that has a production lot number 0317 or 0517. (d) Subject Joint Aircraft System Component (JASC) Code 8530, Reciprocating Engine Cylinder Section. (e) Unsafe Condition This AD was prompted by a report of a broken exhaust valve installed on a Rotax 914 model engine. The FAA is issuing this AD to prevent failure of the exhaust valve. The unsafe condition, if not addressed, could result in loss of engine thrust control and reduced control of the airplane. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Required Actions Within 10 flight hours or 3 months after the effective date of this AD, whichever occurs first, remove from service each exhaust valve P/N 854113 that has a production lot number 0317 or 0517, and replace with a part eligible for installation. Note 1 to paragraph (g): For guidance on replacing the exhaust valve, refer to the Accomplishment Instructions, paragraphs 3.1 through 3.6, of Rotax Alert Service Bulletin ASB-915 i A-003R2/ASB- 915 i B-003R2/ASB-914-054R2 (single document), dated December 21, 2018. (h) Installation Prohibition After the effective date of this AD, do not install an exhaust valve P/N 854113 that has a production lot number 0317 or 0517 on any engine. (i) Alternative Methods of Compliance (AMOCs) (1) The Manager, ECO 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 (j)(1) of this AD. You may email your request to: ANE-AD-AMOC@faa.gov. (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. (j) Related Information (1) For more information about this AD, contact Wego Wang, Aerospace Engineer, ECO Branch, FAA, 1200 District Avenue, Burlington, MA 01803; phone: 781-238-7134; fax: 781-238-7199; email: wego.wang@faa.gov. (2) Refer to European Union Aviation Safety Agency (EASA) AD No. 2018-0265R1, dated January 9, 2019 (and corrected January 10, 2019), for more information. You may examine the EASA AD in the AD docket on the internet at https://www.regulations.gov by searching for and locating it in Docket No. FAA-2019-0747. (k) Material Incorporated by Reference None.