AD/ELECT/75 Amdt 1 - TCM Magneto Impulse Coupling (Cth)

Federal Register of Legislation

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AIRWORTHINESS DIRECTIVE On the effective date specified below, and for the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/ELECT/75 and issues the following AD under subregulation 39.001(1) of CASR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

Electrical Equipment AD/ELECT/75 Amdt 1 TCM Magneto Impulse Coupling 9/2005

Applicability: Table 1 P/N 10-51365-32 S6LN-21 10-51365-34 S6RN-21 10-51365-35 S6RN-21 10-51365-39 S6LN-21 10-51365-40 S6LN-21 10-51365-43 S6LN-21 10-51365-47 S6RN-21 10-51365-48 S6RN-21 10-51365-54 S6LN-21 10-51365-57 S6LN-21 10-52350-19 S6RN-23 10-52350-20 S6LN-23 10-79020-6 S6LN-25 10-79020-10 S6RN-25 10-79020-11 S6LN-25 10-79020-16 S6LN-25 10-79020-17 S6LN-25 Requirement: Teledyne Continental Motors (TCM) (formerly Bendix) magnetos that have a magneto part number (P/N) listed in Table 1, installed on Lycoming AEIO-540, HIO-540, IO-540, O-540 and TIO-540 series engines: Model P/N Model 10-79020-18 S6LN-25 10-79020-19 S6RN-25 10-79020-118 S6LN-25P 10-79020-119 S6RN-25P 10-500556-101 S6RSC-25P 10-500556-901 S6RSC-25P S6RN-1225 10-349350-4 S6RN-1225 10-349350-5 S6LN-1225 10-349350-6 S6LN-1225 10-349350-7 S6LN-1227 10-349370-4 D6LN-2031 10-382560-11 D6LN-2031 10-382560-13 D6LN-3000 10-682560-11 D6LN-3000 10-682560-13 D6LN-3000 10-682560-131 Note 1: Table 1 is a partial reproduction of Table 1 from TCM Mandatory Service Bulletin (MSB) MSB645, dated 4 April 1994. Note 2: Lycoming AEIO- 540, HIO-540, IO-540, 0-540 and TIO-540 series engines are known to be installed on, but not limited to, aircraft manufactured by the Cessna Aircraft Company, Maule Aerospace Technology Corporation, Mooney Aircraft Corporation, The New Piper Aircraft Inc. and Raytheon Aircraft Company (Formerly Beech Aircraft Company). 1. Inspect the impulse coupling assembly for wear using paragraphs 1.2 through 1.4.5 of the Detailed Instructions of TCM MSB645.

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Electrical Equipment AD/ELECT/75 Amdt 1 TCM Magneto Impulse Coupling 9/2005

Applicability: Teledyne Continental Motors (TCM) (formerly Bendix) magnetos that have a magneto part number (P/N) listed in Table 1, installed on Lycoming AEIO-540, HIO-540, IO-540, O-540 and TIO-540 series engines: Table 1 P/N Model P/N Model 10-51365-32 S6LN-21 10-79020-18 S6LN-25 10-51365-34 S6RN-21 10-79020-19 S6RN-25 10-51365-35 S6RN-21 10-79020-118 S6LN-25P 10-51365-39 S6LN-21 10-79020-119 S6RN-25P 10-51365-40 S6LN-21 10-500556-101 S6RSC-25P 10-51365-43 S6LN-21 10-500556-901 S6RSC-25P S6RN-1225 10-51365-47 S6RN-21 10-349350-4 S6RN-1225 10-51365-48 S6RN-21 10-349350-5 S6LN-1225 10-51365-54 S6LN-21 10-349350-6 S6LN-1225 10-51365-57 S6LN-21 10-349350-7 S6LN-1227 10-52350-19 S6RN-23 10-349370-4 D6LN-2031 10-52350-20 S6LN-23 10-382560-11 D6LN-2031 10-79020-6 S6LN-25 10-382560-13 D6LN-3000 10-79020-10 S6RN-25 10-682560-11 D6LN-3000 10-79020-11 S6LN-25 10-682560-13 D6LN-3000 10-79020-16 S6LN-25 10-682560-131 10-79020-17 S6LN-25 Note 1: Table 1 is a partial reproduction of Table 1 from TCM Mandatory Service Bulletin (MSB) MSB645, dated 4 April 1994. Note 2: Lycoming AEIO- 540, HIO-540, IO-540, 0-540 and TIO-540 series engines are known to be installed on, but not limited to, aircraft manufactured by the Cessna Aircraft Company, Maule Aerospace Technology Corporation, Mooney Aircraft Corporation, The New Piper Aircraft Inc. and Raytheon Aircraft Company (Formerly Beech Aircraft Company). Requirement: 1. Inspect the impulse coupling assembly for wear using paragraphs 1.2 through 1.4.5 of the Detailed Instructions of TCM MSB645.

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