Boeing fix will prevent repeated activation of anti-stall system: sources

SEATTLE/LONDON (Reuters) - A Boeing Co software fix for the grounded 737 MAX will prevent repeated operation of an anti-stall system at the centre of safety concerns and deactivate it altogether if two sensors disagree widely, two people familiar with pilot briefings said.The anti-stall system - known as MCAS, or Maneuvering Characteristics Augmentation System - has been pinpointed by investigators probing October's fatal Lion Air crash and faces new scrutiny in the wake of another fatal acciden