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All Guimbal Cabri G2 helicopters.
The purpose of this Continuing Airworthiness Notice (CAN) is to advise operators and maintainers of Guimbal Cabri G2 helicopters of a possible safety issue with the main rotor pitch link assemblies.
This CAN is re-issued at revision 1 to raise awareness of the instructions in Guimbal SB 21-006B. This SB provides inspections and preventative maintenance actions related to the safety concern identified in this CAN.
The CAA recently received a report from a New Zealand operator of a Guimbal Cabri G2 of finding cracks in all three main rotor pitch link assemblies (IPC Ref 4.1-02 #24 P/N G41-01-100). The cracks were found in the swaged end of each pitch link, running lengthwise to the rod. Refer to the photo below for further details. The CAA is in discussion with the manufacturer to further understand the likely cause of the cracks and to identify any necessary corrective actions.
The CAA recommends that aircraft operators comply with the following:
If any cracking is found, please send details to the CAA using form CAA005D.