What should happen is these faults should be reported back to the TC holder via the MOR system. They should then either independently, or if they don't with the severe encouragement of their airworthiness authority, issue an SB notifying operators of the problem and if rectification work is needed, the local authority should have issued an AD mandating it.
I know nothing about the type, but that's the legal process by which it should happen. If it doesn't seem to be, best bet would be to first check if the known incidents have been MORed. If they have, then talk to the local CAA regional office, if not give the operators a polite phone call and remind them informally that they are in breach of the ANO - that generally gets things moving
G