FILE PHOTO: Dozens of grounded Boeing 737 MAX aircraft are seen parked in an aerial photo at Boeing Field in Seattle, Washington, U.S. July 1, 2019. REUTERS/Lindsey Wasson/File Photo

MONTREAL/WASHINGTON: An email sent by an official at Transport Canada urging Boeing to remove an anti-stall system involved in two 737 MAX crashes reflects "working-level discussions" and were not reviewed by the Canadian regulator, the agency said on Friday (Nov 22).