Thielert Aircraft Engines GmbH Airworthiness Directives

21 ADs indexed for Thielert Aircraft Engines GmbH aircraft.

Models

TAE 125-02-99 and TAE 125-02-114 reciprocating engines 3 ADs TAE 125-01 1 AD TAE 125-02-114 1 AD TAE 125-02-99 1 AD Various 1 AD

Recent ADs

2020-26-06

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Airworthiness Directives; Technify Motors GmbH (Type Certificate Previously Held by Thielert Aircraft Engines GmbH) Reciprocating Engines

Unsafe Condition: 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.

Effective: Dec 29, 2020 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Technify Motors GmbH (Type Certificate Previously Held by Thielert Aircraft Engines GmbH) Reciprocating Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine
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2015-02-01

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Airworthiness Directives; Technify Motors GmbH (Type Certificate Previously Held by Thielert Aircraft Engines GmbH) Reciprocating Engines

Unsafe Condition: Failure of the clutch assembly due to nonconforming disk springs that received an improper heat treatment process.

Effective: Feb 13, 2015 Category: aircraft Compliance: Before further flight (for engines with more than 100 hours TSN) or before accumulating 100 hours...

Why matched: Airworthiness Directives; Technify Motors GmbH (Type Certificate Previously Held by Thielert Aircraft Engines GmbH) Reciprocating Engines

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2013-24-06

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Airworthiness Directives; Thielert Aircraft Engines GmbH Reciprocating Engines

Unsafe Condition: Engine power loss due to engine coolant contaminating the engine clutch. The design of the engine allows the crankcase assembly opening to be susceptible to contamination from external sources.

Effective: Dec 30, 2013 Category: aircraft Compliance: Within the next annual or 100-hour inspection, whichever comes first, after the effective date.

Why matched: Airworthiness Directives; Thielert Aircraft Engines GmbH Reciprocating Engines

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2012-26-12

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Airworthiness Directives; Thielert Aircraft Engines GmbH Reciprocating Engines

Unsafe Condition: Blockage of the gearbox oil filler plug vent hole, which causes pressurization in the gearbox, resulting in oil leakage and a slipping clutch.

Effective: Feb 13, 2013 Category: aircraft Compliance: Within 110 flight hours after the effective date or at the next scheduled maintenance, whichever ...

Why matched: Airworthiness Directives; Thielert Aircraft Engines GmbH Reciprocating Engines

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2012-26-13

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Airworthiness Directives; Thielert Aircraft Engines GmbH Reciprocating Engines

Unsafe Condition: Reports of possible power loss on airplanes equipped with TAE 125 engines.

Effective: Feb 13, 2013 Category: aircraft Compliance: Within 55 flight hours or within 3 months of the effective date of the AD, or during the next sch...

Why matched: Airworthiness Directives; Thielert Aircraft Engines GmbH Reciprocating Engines

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2010-11-09R1

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Airworthiness Directives; Thielert Aircraft Engines GmbH (TAE) Reciprocating Engines

Unsafe Condition: Failure of the proportional pressure reducing valve (PPRV), part number 05-7212-E002801, could result in engine in-flight shutdown, possibly leading to reduced control of the aircraft.

Effective: Apr 11, 2012 Category: engine Compliance: The AD is effective April 11, 2012.

Why matched: Airworthiness Directives; Thielert Aircraft Engines GmbH (TAE) Reciprocating Engines

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Amdt-39-16972 Recurring

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Airworthiness Directives; Thielert Aircraft Engines GmbH (TAE) Reciprocating Engines

Unsafe Condition: engine in-flight shutdown, possibly resulting in reduced control of the aircraft, due to failure of the proportional pressure reducing valve (PPRV) (also known as the propeller control valve) due t...

Effective: Apr 11, 2012 Category: propeller Compliance: Within 55 flight hours after the effective date of this AD, and thereafter within every 600 fligh...

Why matched: Airworthiness Directives; Thielert Aircraft Engines GmbH (TAE) Reciprocating Engines

Technical illustration of an aircraft propeller assembly
Problem area Propeller
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2012-02-05

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Airworthiness Directives; Thielert Aircraft Engines GmbH Reciprocating Engines

Unsafe Condition: could result in loss of control of the airplane.

Effective: Mar 2, 2012 Category: aircraft

Why matched: Airworthiness Directives; Thielert Aircraft Engines GmbH Reciprocating Engines

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2010-06-12R1

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Airworthiness Directives; Thielert Aircraft Engines GmbH Reciprocating Engines

Unsafe Condition: Failure of the rail pressure control valve could result in engine in-flight shutdown, possibly resulting in reduced control of the aircraft.

Effective: Feb 3, 2012 Category: engine Compliance: within 600 flight hours for TAE 125-01 reciprocating engines and within 100 flight hours for TAE ...

Why matched: Airworthiness Directives; Thielert Aircraft Engines GmbH Reciprocating Engines

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Amdt-39-16906

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Airworthiness Directives; Thielert Aircraft Engines GmbH Reciprocating Engines

Unsafe Condition: Engine in-flight shutdown, possibly resulting in reduced control of the aircraft.

Effective: Feb 3, 2012 Category: aircraft Compliance: Within 100 flight hours for TAE 125-02-99 engines, or within 600 flight hours for TAE 125-01 engi...

Why matched: Airworthiness Directives; Thielert Aircraft Engines GmbH Reciprocating Engines

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2011-23-01

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Airworthiness Directives; Thielert Aircraft Engines GmbH (TAE) Reciprocating Engines

Unsafe Condition: Clutch assemblies with nonconforming disc springs could fail, leading to engine in-flight shutdown and loss of control of the airplane.

Effective: Nov 22, 2011 Category: aircraft Compliance: Before further flight (for engines with 100+ flight hours) or before accumulating 100 flight hour...

Why matched: Airworthiness Directives; Thielert Aircraft Engines GmbH (TAE) Reciprocating Engines

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2011-07-09

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Airworthiness Directives; Thielert Aircraft Engines GmbH Models TAE 125-01, TAE 125-02-99, and TAE 125-02-114 Reciprocating Engines

Unsafe Condition: Service experience has shown that a case of FADEC channel B manifold air pressure (MAP) sensor hose permeability is not always recognized as fault by the FADEC. The MAP value measured by the sensor...

Effective: May 5, 2011 Category: aircraft Compliance: Within 110 flight hours after the effective date of the AD or during the next maintenance, whiche...

Why matched: Airworthiness Directives; Thielert Aircraft Engines GmbH Models TAE 125-01, TAE 125-02-99, and TAE 125-02-114 Reciprocating Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine
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2011-05-06

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Airworthiness Directives; Thielert Aircraft Engines GmbH Models TAE 125-02-99 and TAE 125-02-114 Reciprocating Engines

Unsafe Condition: Fracture of the timing chain has occurred due to chain wear, which could lead to in-flight engine shutdown.

Effective: Mar 30, 2011 Category: aircraft Compliance: Within 55 flight hours after the effective date or within specified flight hours-since-new, which...

Why matched: Airworthiness Directives; Thielert Aircraft Engines GmbH Models TAE 125-02-99 and TAE 125-02-114 Reciprocating Engines

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2010-18-02

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Airworthiness Directives; Thielert Aircraft Engines GmbH (TAE) Models TAE 125-01 and TAE 125-02-99 Reciprocating Engines

Unsafe Condition: In-flight shutdown incidents have been reported on airplanes equipped with TAE 125 engines, primarily due to nonconforming disc springs (improper heat treatment) used in a certain production batch ...

Effective: Sep 9, 2010 Category: aircraft Compliance: Within the compliance times specified in the AD, based on flight hours accumulated by the affecte...

Why matched: Airworthiness Directives; Thielert Aircraft Engines GmbH (TAE) Models TAE 125-01 and TAE 125-02-99 Reciprocating Engines

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2010-11-09

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Airworthiness Directives; Thielert Aircraft Engines GmbH (TAE) Models TAE 125-01 and TAE 125-02-99 Reciprocating Engines Installed In, But Not Limited To, Diamond Aircraft Industries Model DA 42 Airplanes; Correction

Unsafe Condition: The FAA is correcting airworthiness directive (AD) 2010-11-09, which published in the Federal Register. That AD applies to TAE models TAE 125-01 and TAE 125-02-99 reciprocating engines, installed i...

Effective: Sep 2, 2010 Category: aircraft

Why matched: Airworthiness Directives; Thielert Aircraft Engines GmbH (TAE) Models TAE 125-01 and TAE 125-02-99 Reciprocating Engines Installed In, But Not Limited To, Diamond Aircraft Industries Model DA 42 Airplanes; Correction

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2010-14-21

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Airworthiness Directives; Thielert Aircraft Engines GmbH Model TAE 125-01 Reciprocating Engines

Unsafe Condition: Service has shown that the small outlet of the blow-by oil separators, part number 02-7250-18100R1; 02-7250-18100R2; 02-7250-18100R3; 02-7250-18100R4; 02-7250-18300R1; 02-7250-18300R2; 02-7250-1830...

Effective: Aug 17, 2010 Category: aircraft Compliance: Within 110 flight hours after the effective date of this AD

Why matched: Airworthiness Directives; Thielert Aircraft Engines GmbH Model TAE 125-01 Reciprocating Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine
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2010-06-12

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Airworthiness Directives; Thielert Aircraft Engines GmbH (TAE) Models TAE 125-02-99 and TAE 125-01 Reciprocating Engines

Unsafe Condition: Failure of the rail pressure control valve could result in in-flight shutdowns of the engine(s).

Effective: Apr 20, 2010 Category: aircraft Compliance: Within 100 flight hours after the effective date of this AD.

Why matched: Airworthiness Directives; Thielert Aircraft Engines GmbH (TAE) Models TAE 125-02-99 and TAE 125-01 Reciprocating Engines

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2010-04-06

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Airworthiness Directives; Thielert Aircraft Engines GmbH (TAE) Model TAE 125-01 Reciprocating Engines

Unsafe Condition: unsafe condition on an aviation product.

Effective: Mar 30, 2010 Category: aircraft

Why matched: Airworthiness Directives; Thielert Aircraft Engines GmbH (TAE) Model TAE 125-01 Reciprocating Engines

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2009-24-10

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Airworthiness Directives; Thielert Aircraft Engines GmbH (TAE) Model TAE 125-01 Reciprocating Engines

Unsafe Condition: In-flight engine shutdown incidents were reported on aircraft equipped with TAE-125-01 engines. This was found to be mainly the result of operation over a long time period with broken piston coolin...

Effective: Jan 4, 2010 Category: aircraft Compliance: Within 110 flight hours or during the next scheduled maintenance, whichever occurs first after th...

Why matched: Airworthiness Directives; Thielert Aircraft Engines GmbH (TAE) Model TAE 125-01 Reciprocating Engines

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2008-06-52

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Airworthiness Directives; Thielert Aircraft Engines GmbH (TAE) Model TAE 125-02-99 Engines

Unsafe Condition: Reports of in-flight engine shutdown incidents on airplanes equipped with TAE Model TAE 125-02-99 engines due to a cracked high-pressure fuel line.

Effective: Apr 30, 2008 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Thielert Aircraft Engines GmbH (TAE) Model TAE 125-02-99 Engines

Technical illustration of an aircraft fuel pump, filter, valve, and lines
Problem area Fuel system
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