The Globe and Mail reports in its Friday edition that the U.S. National Transportation Safety Board said on Thursday it was sanctioning Boeing for disclosing non-public details of a continuing investigation into a 737 Max mid-air emergency and would refer its conduct to the Justice Department. A Reuters dispatch to The Globe quotes the NTSB saying that Boeing had "blatantly violated" the agency's investigative regulations by providing "nonpublic investigative information to the media" and speculating about possible causes of the Jan. 5 Alaska Airlines door-plug blowout. The move by Boeing has further deepened the strain between the crisis-prone plane maker and government agencies at a time when it is trying to avoid criminal charges being weighed by the U.S. Department of Justice ahead of a July 7 deadline. The NTSB said Boeing would keep its status as a party to the investigation into the Alaska Airlines emergency but would no longer see unpublished information produced during its probe into the accident. Industry experts tell Reuters that barring a manufacturer restricts its ability to access and offer suggestions to an investigation, but frees it to defend its technology and practices more openly.