Boeing's safety culture and manufacturing quality, both at the centre of a corporate crisis following a January mid-air panel blowout on a near-new 737 MAX 9, were scrutinised on Wednesday in two U.S. Senate hearings. Testimony at the US Senate Permanent Subcommittee on Investigations raised questions about Boeing's treatment of whistleblowers, records surrounding the blown-out door plug on the Alaska Airlines narrowbody jet and production concerns over two separate widebody jets.
