AD 2010-23-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Various Aircraft Equipped With Rotax Aircraft Engines 912 A Series Engines |
| engine | Rotax | Aircraft | Airworthiness Directives; Various Aircraft Equipped With Rotax Aircraft Engines 912 A Series Engines |
Unsafe Condition
Reports of cracks in the engine crankcase.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the engine crankcase assembly for cracks as detailed in the relevant Service Bulletins (SB). Replace the crankcase assembly if cracks are found. Install a crankcase with a serial number (S/N) above 27811 to terminate further inspections.
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
Various aircraft equipped with Rotax Aircraft Engines 912 A series engines, specifically those with a crankcase assembly S/N up to and including S/N 27811, including models such as AMT-200, HK 36 R 'SUPER DIMONA', HK 36 TS, HK 36 TC, DA20-A1, DV 20 KATANA, and Sky Arrow 650 TC.
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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