US FAA Investigating Boeing 737 Max 9 After Mid-Air Panel Incident

WASHINGTON - The Federal Aviation Administration is launching a formal investigation into the Boeing 737 Max 9 after a cabin panel blew off an Alaska Airlines ALK.N flight while in mid-air last week, forcing an emergency landing, the regulator said Thursday.

The FAA grounded 171 Boeing jets installed with the same panel after the landing, most of which are operated by U.S. carriers Alaska Airlines and United Airl