Airworthiness Directive · Amendment 39-12760 · Bombardier-Rotax GmbH 914 F Series Reciprocating Engines
Bombardier-Rotax GmbH 914 F Series Reciprocating Engines
This airworthiness directive (AD) is applicable to Bombardier- Rotax GmbH 914 F series reciprocating engines with exhaust bend assemblies part numbers (P/N's) 979422, 979432, 979442, and 979452 installed. These engines are installed on, but not limited to, Aeromot-Industria Mecanico Metalurgica, AMT-300 (Turbo Ximango Shark), Diamond Aircraft Industries, HK 36 TTS, HK 36 TTC, HK 36 TTC-ECO, and Stemme GmbH & Co. KG, S10--VT, Series Powered Sailplanes.
This amendment adopts a new airworthiness directive (AD) that is applicable to Bombardier-Rotax GmbH 914 F series reciprocating engines. This action requires initial and repetitive inspections of certain exhaust bend assemblies, which are located between the cylinder heads and exhaust manifold assembly. This amendment is prompted by reports of cracks found in exhaust bend assemblies. The actions specified in this AD are intended to prevent carbon monoxide from entering the cabin and also to prevent the possibility of an engine fire.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
