FAA considered grounding some Boeing 737 Max planes last year: source

US regulators considered grounding some Boeing 737 MAX planes last year after learning belatedly of a problem with a system that is now the main suspect in two deadly crashes, a source close to the matter said.Investigators in the Lion Air crash in October off the coast of Indonesia and the Ethiopia Airlines disaster in March have zeroed in on the planes' anti-stall system, called the Maneuvering Characteristics Augmentation System, or MCAS.Last year, before the Lion crash, inspectors with the F