Unification of the strength class of the fastening bolts in the joint of the engine and the engine mount hinges and the resulting minimization of the possibility that these bolts will be accidentally interchanged.
The ROTAX engine manufacturer has issued Service Bulletins SB-SB-912-078UL / SB-914-059UL / SB-912 i-014iS ordering the replacement of the propeller shaft and its accessories.
Unification of the strength class of the fastening bolts in the joint of the engine and the engine mount hinges and the resulting minimization of the possibility that these bolts will be accidentally interchanged.
Evektor Ltd. has issued the mandatory safety alert bulletin no. Harmony LSA-019a SR as unification of the strength class of the fastening bolts (bolts M10x35 of original strength class 8.8 are changed to strength class 10.9) in the joint of the engine and the engine mount hinges and the resulting minimization of the possibility that these bolts will be accidentally interchanged.
In relation to SB LSA-019a SR, the manufacturer requires repetitive visual inspections of each engine attachment points to suspension frame/engine mount, suspension frame/engine mount and engine mount to aircraft firewall attachment.
Unification of the strength class of the fastening bolts in the joint of the engine and the engine mount hinges and the resulting minimization of the possibility that these bolts will be accidentally interchanged.
Evektor Ltd. has issued the mandatory safety alert bulletin no. Harmony LSA-019a SR as unification of the strength class of the fastening bolts (bolts M10x35 of original strength class 8.8 are changed to strength class 10.9) in the joint of the engine and the engine mount hinges and the resulting minimization of the possibility that these bolts will be accidentally interchanged.
In relation to SB LSA-019a SR, the manufacturer requires repetitive visual inspections of each engine attachment points to suspension frame/engine mount, suspension frame/engine mount and engine mount to aircraft firewall attachment.
Due to a deviation in the manufacturing process some tailpipe of muffler may have anomalies in the welded joint. In some cases, there is possibility that cracks may occur on a limited number of muffler tailpipe. Undetected cracks during pre-flight check may result in a loss of tailpipe.
Due to repeated non-compliance with service instructions of the emergency system manufacturer and in order to increase the emergency system safety the airplane manufacturer points out on the compliance with service instructions of the emergency system manufacturer.
The manufacturer of Rotax 914 F a Rotax 914 UL engines informs about a possibility of clutch slipping during the engine operation, which can lead to an undesirable increase of engine speed above the set limit.
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