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http://www.cnbc.com/id/24044418AMR's American Airlines canceled more than 900 flights Thursday to fix faulty wiring in hundreds of jets, marking the third straight day of mass groundings as company executives offered profuse apologies and travel vouchers to calm angry customers.
American, the nation's largest carrier, has now scrubbed more than 2,400 flights since Tuesday, when federal regulators warned that nearly half its planes could violate a safety regulation designed to prevent fires.
That's more than one in three flights canceled over the last three days.
Daniel Garton, an executive vice president of American, said cancellations could extend into Friday
Read more: CNBC