Boeing readies 737 MAX software fix as families wait for crash report

SEATTLE/KIGALI (Reuters) - Boeing Co will provide airlines that have bought the 737 MAX with free software upgrades, the U.S. manufacturer said on Monday, as Ethiopian Airlines told Reuters it expected a preliminary crash report this week or next.The causes of separate Lion Air and Ethiopian Airlines crashes are still unknown, though Ethiopian Airlines Chief Executive Officer Tewolde Gebremariam said on Monday he expected the release of a preliminary report into the crash that killed 189 people