AD 2020-26-06 Prompted By A Report Of A Defective Turbocharger Hose
The FAA is adopting a new airworthiness directive (AD) for certain Technify Motors GmbH TAE 125-02-99 and TAE 125-02-114 model reciprocating engines. This AD was prompted by a report of a defective turbocharger hose discovered on an airplane during a pre-flight inspection.
This AD requires the removal and replacement of the affected turbocharger hose. The FAA is issuing this AD to address the unsafe condition on these products. This AD is effective December 29, 2020.
Supplementary Information: The European Union Aviation Safety Agency (EASA), which is the Technical Agent for the Member States of the European Community, has issued EASA AD 2020-0228, dated December 3, 2020 (referred to after this as “the MCAI”), to address an unsafe condition for the specified products.
The MCAI states:
During a pre-flight check, a defect turbocharger hose was found on an aeroplane. Investigation determined that a manufacturing defect exists on turbocharger hoses of a certain batch from one manufacturer. These turbocharger hoses are not pressure stable and it was determined that they could fail completely.
This condition, if not corrected, could lead to significant loss of engine power which, in certain phases of flight and under certain operational conditions, could result in a hazardous condition.
To address this potential unsafe condition, Continental Aerospace Technologies issued the applicable SB (original issue and Revision 01) to provide instructions for turbocharger hose identification and replacement.
For the reason described above, this [EASA] AD requires removal of affected parts from engines installed on Cessna F172 and Piper PA-28 aeroplanes, and prohibits (re-) installation.
You may obtain further information by examining the MCAI in the AD docket at https://www.regulations.gov by searching for and locating Docket No. FAA-2020-1117.
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