It's said this is the first customer to sue Boeing to cancel an order for the 737 MAX

"Russian client sues Boeing to cancel 737 MAX orde
A Russian aircraft leasing company confirmed Tuesday that it has filed the first US lawsuit to cancel an order for 35 Boeing 737 MAX jets.

Avia Capital Services (ACS), a subsidiary of state-owned Russian conglomerate Rostec, confirmed to AFP a report of the lawsuit in the Financial Times, which said it was the first civil action brought by a customer against the US aerospace giant over the 737 MAX.r"
news.yahoo.com/russian-client-sues-boeing-cancel-boeing-737-max-085927548--finance.html


Mind you, a few hours later brought
"Russia's Rostec unit ready for out-of-court deal with Boeing on 737 MAX order
A unit of Russian conglomerate Rostec said on Tuesday it was ready for an out-of-court settlement with Boeing <BA.N> over its order for 35 Boeing <BA.N> 737 MAX jets, a spokesman for Rostec's subsidiary Avia Capital Service told Reuters."
finance.yahoo.com/news/russias-rostec-unit-ready-court-094334158.html