EASA AD No : 2008-0215 

EASA Form 110 Page 1/2 

EASA AIRWORTHINESS DIRECTIVE 

AD No.: 2008-0215 

Date: 05 December 2008 

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 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 ensured by accomplishing any applicable ADs. Consequently, no person may 

operate an aircraft to which an Airworthiness Directive applies, except in accordance with the requirements of that Airworthiness 

Directive 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]. 

Type Approval Holder’s Name : 

Thielert Aircraft Engines GmbH 

Type/Model designation(s) : 

TAE 125-02-99 engines 

TCDS Number : EASA.E.055 

Foreign AD : Not applicable 

Supersedure : None 

ATA 72/ATA 05 

Replacement of Rail Pressure Control Valve – Modification of 

VRail Plug - Time Limits / Maintenance Checks – Airworthiness 

Limitations – Implementation 

Manufacturer(s): Thielert Aircraft Engines GmbH 

Applicability: 

TAE 125-02-99 engines (commercial designation Centurion 2.0), all serial 

numbers 

These engines are known to be installed on, but not limited to, Cessna 172 

and (Reims-built) F172 series (EASA STC Nr. EASA.A.S.01527), Piper PA28 series (EASA STC Nr. EASA.A.S.01632), APEX (Robin) DR 400 series 

(EASA STC Nr. EASA.A.S.01380) and Diamond DA 40 D, DA 42 and DA 

42 M aircraft. 

Reason: 

As a consequence of occurrences and service experience, Thielert Aircraft 

Engines GmbH has introduced a new rail pressure control valve Part Number 

(P/N) 05-7320-E000702 and has amended the Airworthiness Limitation 

Section (ALS) of the Operation & Maintenance Manual OM-02-02 to include a 

replacement of the rail pressure control valve. Failure of this part could result 

in in-flight shut downs of the engine(s). 

Consistent with the EASA policy to mandate new airworthiness limitations by 

AD action and for the reasons described above, this EASA AD requires 

replacement of the rail pressure control valve, modification of the VRail Plug 

and the implementation of the instructions, limitations, inspections and 

corrective measures, as specified in TAE SB TM 125-1008 P1 and in issue 1 

revision 2 of the chapter 5 of the OM-02-02. 
EASA AD No : 2008-0215 

EASA Form 110 Page 2/2 

Effective Date: 19 December 2008 

Required Action(s) 

and Compliance 

Time(s): 

Required as indicated, unless accomplished previously: 

1) Within the next 110 flight hours after the effective date of this AD, 

replace the rail pressure control valve P/N 05-3940- K001501 and 

modify the VRail Plug in accordance with the instructions of 

TAE SB TM 125-1008 P1 R1. 

2) Within the next 3 months after the effective date of this AD, amend the 

approved engine maintenance schedule to incorporate the instructions 

of Chapter 5 “Airworthiness Limitations” of OM-02-02 Issue 1 Revision 

2. 

3) Thereafter, accomplish the tasks within the thresholds and intervals 

(as) defined and instructed in Chapter 5 “Airworthiness Limitations” of 

OM-02-02 Issue 1 Revision 2 

Note: Engines with Serial Numbers (S/N) as identified within the 

TAE SB TM 125-1008 P1 R1 have already incorporated these modifications 

and therefore do not need to comply with Paragraph 1 of this AD. 

Ref. Publications: 

Thielert Service Bulletin TAE SB TM 125-1008 P1 R1, 

dated 29 September 2008 

Thielert Aircraft Engines GmbH Operation & Maintenance Manual 

TAE 125-02-99 OM-02-02, Chapter 5 at Issue 1 Revision 2, 

dated 24 September 2008. 

The use of later approved revisions of these documents 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 1 October 2008 as PAD 08-110 for consultation 

until 20 October 2008. 

The Comment Response Document can be found at 

http://ad.easa.europa.eu. 

3. Enquiries regarding this AD should be referred to the Airworthiness 

Directives, Safety Management & Research Section, Certification 

Directorate, EASA. E-mail ADs@easa.europa.eu 

4. For any question concerning the technical content of the requirements in 

this AD, please contact: 

Thielert Aircraft Engines GmbH 

Platanenstraße 14 

D-09350 Lichtenstein, Germany 

Telephone +49-37204-696-0; Fax +49-37204-696-55; 

E-mail info@centurion-engines.com