E ASA AD No.: 20 13

- 00 25

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 - 0025

Date: 0 6 February 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]

. 

### 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: No ne



### 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 unsafe condition , Austro Engine introduced a waste gate con troller of improved design , Part Number (P/N) E4A

- 41

- 120

- 000 revision (Rev.) 070

. For the reasons described above, this AD requires replacement of all previous revisions of P/N E4A

- 41

- 120

- 000 and P/N E4B

- 41

- 120

- 000 waste gate controllers with improved desi gn P/N E4A

- 41

- 120

- 000 Rev.070 units

. Effective Date: 20 February 2013E ASA AD No.: 20 13

- 00 25

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. 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 , install Waste Gate Controller P/N E4A

- 41

- 120

- 000 Rev. 070 , or higher , in accordance with the instructions of Austro Engine Mandatory Service Bulletin (MSB) MSB

- E4

- 007 Revision 3

. (2) From the effective date of this AD, do not install a waste gate controller on any engine, unless it has been determined that the part is the improved design, P/N E4A

- 41

- 120

- 000 Rev. 070 , or higher.
Ref. Public ations: Austro Engine MSB

- E4

- 007 Revision 3 dated 28 November 2012

. 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. This AD was posted on 08 January 201 3 as PAD 1 3

- 004 for consultation until 05 February 2013 . No comments were received during the consultation period

. 3. Enquiries regarding this 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 th is 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

.