Home Business Former Boeing employee who warned about 737 problems will testify at hearing Business Former Boeing employee who warned about 737 problems will testify at hearing By Genpie - December 10, 2019 142 0 Facebook Twitter Google+ Pinterest WhatsApp A former Boeing Co employee who warned of problems with 737 production will testify on Wednesday at a U.S. House hearing on the Federal Aviation Administration (FAA) review of the grounded 737 MAX.