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 Federal Register Information
 Header Information
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
Docket No. 2008-NE-08; AD 2008-06-52
Thielert Aircraft Engines GmbH model TAE 125-02-99 engines
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Preamble Information
Regulatory Information
2008-06-52 Thielert Aircraft Engines GmbH: Directorate Identifier 2008-NE-08-AD.
Effective Date
(a) Emergency AD 2008-06-52, issued on March 12, 2008, is effective upon receipt.
Affected ADs
(b) None.
Applicability
(c) This AD applies to Thielert Aircraft Engines GmbH (TAE) model TAE 125-02-99 engines with a serial number (SN) from 02-02-1500 through 02-02-2279. These engines are installed on, but not limited to, Cessna 172 and (Reims-built) F172 series (STC No. SA01303WI); and Diamond DA42 airplanes.
Unsafe Condition
(d) This AD results from reports of in-flight engine shutdown incidents on aircraft equipped with a TAE 125-02-99 engine. This was found to be the result of a cracked high-pressure fuel line between the high-pressure pump and fuel rail. These cracks were caused by excessive vibration of the fuel line. We are issuing this AD to prevent an in-flight engine shutdown or engine fire due to a cracked fuel line.
Compliance
(e) You are responsible for having the actions required by this AD performed before the next flight after the effective date of this AD, unless the actions have already been done.
Corrective Action
(f) Before the next flight, install a new high-pressure fuel line and a high-pressure fuel line bracket using TAE Service Bulletin (SB) No. TM TAE 125-1005 P1, Revision 2, dated March 6, 2008, or TAE SB No. TM TAE 125-1005 P1, Revision 1, dated February 11, 2008.
Alternative Methods of Compliance
(g) The Manager, Engine Certification Office, has the authority to approve alternative methods of compliance for this AD if requested using the procedures found in 14 CFR 39.19.
Special Flight Permits
(h) We are limiting special flight permits to relocating the airplane to the next maintenance station, to a maximum flight duration of 2 hours, and to VFR.
Related Information
(i) EASA Emergency Airworthiness Directive (EAD) No. 2008-0056-E, dated March 7, 2008, EASA EAD No. 2008-0056R1-E, dated March 11, 2008, and EASA EAD No. 2008-0027-E, dated February 13, 2008, also address the subject of this AD.
Contact Information
(j) For further information, contact: Jason Yang, Aerospace Engineer, Engine Certification Office, FAA, Engine and Propeller Directorate, 12 New England Executive Park, Burlington, MA 01803; e-mail: jason.yang@faa.gov; telephone: (781) 238-7747; fax: (781) 238-7199.
Footer Information
Issued in Burlington, Massachusetts, on March 12, 2008.
Robert J. Ganley,
Acting Manager, Engine and Propeller Directorate,
Aircraft Certification Service.
Comments
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