AMERICAN Airlines cancelled more than 900 flights yesterday 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.

A PASSENGER who claimed to have a bomb in a carry-on bag was shot and killed by a US federal air marshal yesterday on a jetway to an American Airlines plane that had arrived from Colombia.

Airliners about to take off from Philadelphia and Boston were searched today after a caller reported “an item” on an American Airlines jet preparing to take off for Boston.