EASA AD No : 2010-0136

EASA Form 110 Page 1/2 

## EASA AIRWORTHINESS DIRECTIVE

AD No.: 2010-0136

Date: 30 June 2010

Note: This Airworthiness Directive (AD) is issued b y EASA, acting in accordance with Regulation (EC) No 216/2008 on behalf of the Europe an 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 EC 1702/2003, Part 21A.3B. In accordance with EC 2042/2003 Annex I, Part M.A.301, the continuing airworthiness of an aircraft shall be en sured by accomplishing any applicable ADs. Conseque ntly, no person may operate an aircraft to which an AD applies, except in accordance with the requirements of that AD, unl ess otherwise specified by the Agency [EC 2042/2003 Annex I, Part M.A.303] or agre ed with the Authority of the State of Registry [EC 216/2008, Article 14(4) exemption].


### Type Approval Holder’s Name :
Thielert Aircraft Engines GmbH Type/Model designation(s) :
TAE 125 series engines

TCDS Number : EASA E.055

Foreign AD : Not applicable

Supersedure : None.



### ATA 72 Engine - Timing Chain - Replacement

Manufacturer(s): Thielert Aircraft Engines GmbH.

Applicability: TAE 125-02-99, TAE 125-02-114, all serial numbers These engines are known to be installed, but not li mited to, Diamond DA 40, DA 42, DA 42M, Apex DR-400, Cessna C172 and Piper P A28.

Reason: Service experience has shown that fracture of the t iming chain has occurred due to chain wear. This condition, if not corrected, could lead to in- flight cases of engine shutdown. To address and correct this situation, TAE has deve loped reinforced timing chains. For the reason described above, this AD requires th e replacement of the timing chain.

Effective Date: 14 July 2010

Required action(s) and Compliance Time(s): Required as indicated: (1) For engines with the following serial numbers: From 02-02-01510 to 02-02-01514 inclusive; From 02-02-01518 to 02-02-01520 inclusive; 02-02-01529, 02-02-01717, 02-02-01718, 02-02-01720, 02-02-01721; 02-02-01727, 02-02-01728;EASA AD No : 2010-0136

EASA Form 110 Page 2/2 From 02-02-01730 to 02-02-01733 inclusive; From 02-02-01739 to 02-02-01752 inclusive. (1.1) For engines Time Since New (TSN) having accum ulated

between 500 Flight Hours (FH) and 600 FH inclusive, within 110 FH after the effective date of this AD or at th e next maintenance, whichever occurs first, replace the ti ming chain in accordance with Thielert Aircraft Engines SB TM TAE 125- 1010 P1 Initial Issue. (1.2) For engines TSN having accumulated 601 FH or more, within

55 FH after the effective date of this AD or at the next maintenance, whichever occurs first, replace the ti ming chain in accordance with Thielert Aircraft Engines SB TM TAE 125- 1010 P1 Initial Issue. (2) For all engines not listed in paragraph (1) of this AD: Before the engine has reached 910FH or within 55FH after the effective date of this AD, whichever occurs later, replace th e timing chain in accordance with Thielert Aircraft Engines SB TM TAE 125-1010 P1 Initial Issue. (3) Thereafter, for all engines indicated in the “Applicability” of this A D, if installed in single engine aircraft, at intervals n ot to exceed 910 FH from previous replacement, replace the timing chain in a ccordance with Thielert Aircraft Engines SB TM TAE 125-1010 P1 Ini tial Issue.

Ref. Publication: Thielert Aircraft Engines SB TM TAE 125-1010 P1 Ini tial Issue dated 01 April 2010. The use of later approved revisions of these docume nts is acceptable for compliance with the requirements of this AD.

Remarks : 1. If requested and appropriately substantiated, E ASA can approve Alternative Methods of Compliance for this AD. 2. This AD was posted on 23 April 2010 as PAD 10-03 7 for consultation until 21 May 2010. The Comment Response Document ca n be found at http://ad.easa.europa.eu/

. 3. Enquiries regarding this AD should be referred t o the Airworthiness Directives, Safety Management & Research Section, C ertification Directorate, EASA. E-mail ADs@easa.europa.eu

. 4. For any question concerning the technical conten t of the requirements in this AD, please contact: Thielert Aircraft Engines GmbH Platanenstraße 14 D-09350 Lichtenstein, Germany Telephone +49-37204-696-0; Fax +49-37204-696-2912; E-mail info@centurion-engines.com

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