Boeing's door plug blowout cost airlines. Big time.

Investigator-in-charge John Lovell examines the area where the plane's door plug had been.National Transportation Safety BoardBoth Alaska and United Airlines reported quarterly losses this week.But the airlines' bosses said they would've turned profits if it weren't forBoeing's door plug fiasco.Alaska said it received $162 million from Boeing in compensation for the damages.The Boeing door blowout in January tanked Alaska Airlines' first quarter earnings — and it's not the only airline to