The initial investigation indicated it was due to a malfunction on the stall prevention system, a new feature on the MAX planes. Lion Air 737 MAX 8 crashed last October also just minutes after take-off, killing 189 people. The MAX aircraft have been grounded worldwide in the wake of Sunday's crash near Addis Ababa that killed 157 passengers and crew. The initial investigation indicated it was due to a malfunction on the stall prevention system, a new feature on the MAX planes. American Airlines, which operates two dozen 737 MAX 8 aircraft, has chosen to update the software itself, one source told AFP.

Source: Daily Nation March 15, 2019 16:30 UTC