Home Business Boeing says timing of 737 MAX return in hands of regulators Business Boeing says timing of 737 MAX return in hands of regulators By Genpie - November 16, 2019 151 0 Facebook Twitter Google+ Pinterest WhatsApp Boeing moved on Saturday to ease tensions with regulators over the return to service of its 737 MAX, saying it was up to the U.S. Federal Aviation Administration and its global counterparts to approve changes to the jet in the wake of two accidents.