E ASA AD No.: 20 13 - 0213

TE. CAP.0011 0 - 00 3 © European Aviation Safety Agency. All rights reserved. 1 / 2 Proprietary document. Copies are not controlled. Confirm revision status through the EASA - Internet/Intranet. 

## EASA AIRWORTHINESS DIRECTIVE

AD No.: 20 13 - 0213

Date: 13 September 2013 Note: This Airworthiness Directive (AD) is issued by EASA, acting in accordance with Regulation (EC) No 216/2008 on behalf of the European Community, its Member States and of the European third countries that participate in the activities of EASA under Article 66 of that Regulation. This AD is issued in accordance with E U 748/2012 , Part 21

. A.3B. In accordan ce with EC 2042/2003 Annex I, Part M.A.301, the continuing airworthiness of an aircraft shall be ensured by accomplishing any applicable ADs. Consequently, no person may ope rate an aircraft to which an AD applies, except in accordance with the requirements of that AD , unless otherwise specified by the Agency [EC 2042/2003 Annex I, Part M.A.303] or agreed with the Authority of the State of Registry [EC 216/2008, Article 14(4) exemption]

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### Design Approval Holder’s Name: AUSTRO ENGINE GmbH Type/Model designation(s): E4 engines TCDS Number: EASA.E. 200 F oreign AD: Not applicable Supersedure: This AD supersedes EASA AD 2013 - 0025R1 dated 30 April 2013. 

### ATA 72 Engine – Waste Gate Controller – Replacement Manufacturer(s): Austro Engine GmbH Applicability: Model E4 engines, all serial numbers

. These engines are known to be installed on, but not limited to, Diamond Aircraft Industries DA 40 NG and DA 42 NG aeroplanes. Reason: Several power loss events have been reported on Austro E4 engines, due to fracture of the waste gate control ler lever. This condition, if not corrected, could lead to further cases of power loss events , possibly resulting in forced landing, damage to the aeroplane and injury to occupants . To address this potential unsaf e condition , Austro Engine introduced a waste gate controller of improved design , Part Number (P/N) E4A - 41 - 120 - 000 revision (Rev.) 070 , or higher

. Consequently, EASA issued AD 2013 - 0025 (later revised) to require replacement of all previous revisions of wa ste gate controllers having P/N E4A 41 - 120 - 000 and P/N E4B - 41 - 120 - 000 , with improved design units having P/N E4A - 41 - 120 - 000 Rev.070, or E4C - 41 - 120 - 000 Rev. 000 , units or higher

. Since AD 2013 - 0025R1 was issued, based on further in - service failure occurrences , Austro Engine GmbH established that waste gate controllers P /N E4A - 41 - 120 - 000 Rev. 060 and P/N E4C - 41 - 120 - 000 Rev. 01 0 are no longer eligible for installation , and Austro Engine Mandatory Service Bulletin (MSB) MSB - E4 - 007 was revised accordingly

. For the reason described above, this AD retains the requirements of EASA ADE ASA AD No.: 20 13 - 0213

TE. CAP.0011 0 - 00 3 © European Aviation Safety Agency. All rights reserved. 2 / 2 Proprietary document. Copies are not controlled. Confirm revision status through the EASA - Internet/Intranet. 2013 - 0025R1 , which is superseded, but expands the replacement actions to include those additional units

. Effective Date: 2 7 September 2013 Required Action(s) and Compliance Time(s): Required as indicated, unless accomplished previously: (1) Within 110 flight hours, or during the next schedule engine maintenance, or within 3 months, which ever occurs first after the effective date of this AD , replace the waste gate controller in accordance with the instructions of Austro Engine MSB - E4 - 007 Revision 5 (or later revision)

. (2) From the effective date of this AD, do not install on any engine a waste gate controller with a P/N as listed in Table 1 of this AD. Table 1

– Waste Gate Controllers not eligible for Installation Engine configuration P/N E4 - A E4A - 41 - 120 - 000 Rev. 060 and lower E4 - B E4B - 41 - 120 - 000 Rev. 010 and lower

Ref. Public ations: Austro Engine MSB - E4 - 007 Revision 5 dated 04 September 201 3

. The u se of later approved revisions of th i s document is acceptable for compliance with the requirements of this AD. Remarks: 1. If requested and appropriately substantiated, EASA can approve Alternative Methods of Compliance for this AD. 2. Based on the required actions and the compliance time, EASA have decided to issue a Final AD with Request for Comments, postponing the public consultation process until after publication

. 3. Enquiries regarding t his AD should be referred to the Safety Information Section, Executive Directorate, EASA. E - mail: ADs@easa.europa.eu

. 4. For any question concerning the technical content of the requirements in this AD, please contact : Austro Engine GmbH, Rudolf - Diesel - Straße 11, A - 2700 Wiener Neustadt, Austria Telephone: +43 2622 23000 2525 Fax: +43 2622 23000 - 2711 E - mail: service@austroengine.at

. The referenced publication can be downloaded directly from the Austro Engine GmbH Service Bulletin webpage

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