Motif: incendies moteurs , le nombre exact n'a pas été dévoilé
After suffering an undisclosed number of recent engine fires, the US Army confirmed that it has grounded its entire fleet of Boeing CH-47 Chinook heavy-lift tactical transport helicopters as a precautionary measure on August 30.
https://www.key.aero/h-47-chinook
https://edition.cnn.com/2022/08/30/poli ... index.html