Airworthiness directives › 2011-12-04
AD 2011-12-04 Airworthiness Directives; BRP-Powertrain GmbH & Co. KG Rotax 912 F3, 912 S2, 912 S3, 912 S4, 914 F2, 914 F3, and 914 F4 Reciprocating Engines
Makes named: rotax. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to the following BRP-Powertrain GmbH & Co. KG Rotax reciprocating engines: (1) Model 912 F3—serial number (S/N) 4,412.986 and S/N 4,412.987. (2) Models 912 S2, 912 S3, and 912 S4—S/N 4,924.087 through S/N 4,924.139 inclusive, and S/N 4,924.141 through 4,924.166 inclusive. (3) Models 914 F2, 914 F3, and 914 F4—S/N 4,420.970 through 4,420.990 inclusive, S/N 4,420.997, and S/N 4,421.001 through 4,421.003 inclusive. Reason (d) This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as: During a production process review, a deviation in hardening of certain Part Number (P/N) 944072 washers has been detected, which exceeds the hardness of the design specification. The affected washers are part of the magneto ring flywheel hub installation and have been installed on a limited number of engines. No defective washers have been shipped as spare parts. This condition, if not corrected, could lead to cracks in the washer, loosening of the magneto flywheel hub and consequent ignition failure, possibly resulting in damage to the engine, in-flight engine shutdown and forced landing, damage to the aeroplane and injury to occupants. We are issuing this AD to prevent engine in-flight shutdown, and damage to the airplane.
Compliance
Unless already done, do the following actions within 10 flight hours or at next maintenance after the effective date of this AD, whichever occurs first: (1) Replace the magneto ring flywheel hub washer, P/N 944072. (2) Use paragraph 3.1 of BRP-Powertrain GmbH & Co. KG Rotax Mandatory Service Bulletin SB-912-058, dated April 15, 2011 or SB-914-041 dated April 15, 2011, to do the replacement. Prohibition (f) After the effective date of this AD, do not install any washer P/N 944072 removed as specified in paragraph (e)(1) of this AD into any magneto or onto any engine. FAA AD Differences (g) This AD differs from the Mandatory Continuing Airworthiness Information (MCAI) as follows: (1) European Aviation Safety Agency (EASA) AD 2011-0067-E requires compliance within 10 flight hours or 4 calendar months after the effective date of the AD, whichever occurs first. This AD requires compliance within 10 flight hours or at next maintenance after the effective date of this AD, whichever occurs first. (2) EASA AD 2011-0067-E requires operators to return the washer removed from service to BRP-Powertrain GmbH & Co. KG. This AD does not. Alternative Methods of Compliance (AMOCs) (h) The Manager, Engine Certification Office, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. Related Information (i) Refer to MCAI EASA AD 2011-0067-E, dated April 15, 2011, for related information. (j) Contact Alan Strom, Aerospace Engineer, Engine Certification Office, FAA, Engine & Propeller Directorate, 12 New England Executive Park, Burlington, MA 01803; e-mail: alan.strom@faa.gov; phone (781) 238-7143; fax (781) 238-719, for more information about this AD. Material Incorporated by Reference (k) You must use BRP-Powertrain GmbH & Co. KG Rotax Mandatory Service Bulletins No. SB-912-058 and No. SB-914-041 (combined in one document), dated April 15, 2011, to do the actions required by this AD. (1) For service information identified in this AD, contact BRP-Powertrain GmbH & Co. KG, Welser Strasse 32, A-4623 Gunskirchen, Austria, or go to: http://www.rotax-aircraft-engines.com. (2) You may review copies at the FAA, New England Region, 12 New England Executive Park, Burlington, MA; 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. Issued in Burlington, Massachusetts, on May 26, 2011. Peter A. White, Acting Manager, Engine and Propeller Directorate, Aircraft Certification Service. [FR Doc. 2011-14239 Filed 6-9-11; 8:45 am] BILLING CODE 4910-13-P
Required actions
Unless already done, do the following actions within 10 flight hours or at next maintenance after the effective date of this AD, whichever occurs first: (1) Replace the magneto ring flywheel hub washer, P/N 944072. (2) Use paragraph 3.1 of BRP-Powertrain GmbH & Co. KG Rotax Mandatory Service Bulletin SB-912-058, dated April 15, 2011 or SB-914-041 dated April 15, 2011, to do the replacement. Prohibition (f) After the effective date of this AD, do not install any washer P/N 944072 removed as specified in paragraph (e)(1) of this AD into any magneto or onto any engine. FAA AD Differences (g) This AD differs from the Mandatory Continuing Airworthiness Information (MCAI) as follows: (1) European Aviation Safety Agency (EASA) AD 2011-0067-E requires compliance within 10 flight hours or 4 calendar months after the effective date of the AD, whichever occurs first. This AD requires compliance within 10 flight hours or at next maintenance after the effective date of this AD, whichever occurs first. (2) EASA AD 2011-0067-E requires operators to return the washer removed from service to BRP-Powertrain GmbH & Co. KG. This AD does not. Alternative Methods of Compliance (AMOCs) (h) The Manager, Engine Certification Office, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. Related Information (i) Refer to MCAI EASA AD 2011-0067-E, dated April 15, 2011, for related information. (j) Contact Alan Strom, Aerospace Engineer, Engine Certification Office, FAA, Engine & Propeller Directorate, 12 New England Executive Park, Burlington, MA 01803; e-mail: alan.strom@faa.gov; phone (781) 238-7143; fax (781) 238-719, for more information about this AD. Material Incorporated by Reference (k) You must use BRP-Powertrain GmbH & Co. KG Rotax Mandatory Service Bulletins No. SB-912-058 and No. SB-914-041 (combined in one document), dated April 15, 2011, to do the actions required by this AD. (1) For service information identified in this AD, contact BRP-Powertrain GmbH & Co. KG, Welser Strasse 32, A-4623 Gunskirchen, Austria, or go to: http://www.rotax-aircraft-engines.com. (2) You may review copies at the FAA, New England Region, 12 New England Executive Park, Burlington, MA; 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. Issued in Burlington, Massachusetts, on May 26, 2011. Peter A. White, Acting Manager, Engine and Propeller Directorate, Aircraft Certification Service. [FR Doc. 2011-14239 Filed 6-9-11; 8:45 am] BILLING CODE 4910-13-P
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