Fri, 04/12/2024 - 01:22 Tech Insider The Spirit AeroSystems logo is pictured on an unpainted 737 fuselage as Boeing's 737 factory teams hold the first day of a "Quality Stand Down" for the 737 program at Boeing's factory in Renton, Washington on January 25, 2024.Jason Redmond/AFP via Getty Images Tags Transportation, insider-news, Boeing, spirit-aerosystems, boeing-737-max Source A Boeing supplier says it tried using Vaseline, cornstarch, and talcum powder t…