AD 2008-22-23

final rule
Data completeness: 60%

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

AD Number
2008-22-23
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2008-0841
FR Citation
73 FR 65509

Applicability

TypeManufacturerModelDetails
aircraft Aviat Various Airworthiness Directives; Thielert Aircraft Engines GmbH (TAE) Model TAE 125-02-99 Reciprocating Engines

Unsafe Condition

Crack initiation and propagation in the crankshaft caused by insufficient surface hardness and microstructural defects.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Inspect the crankshaft for cracks using magnetic particle inspection or dye-penaltm method. Replace the crankshaft if cracks are found. Perform subsequent inspections at specified intervals.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Thielert Aircraft Engines GmbH Model TAE 125-02-99 engines installed in various aircraft models

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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