April 10 (Reuters) – Fitch: * FITCH SAYS HAS TAKEN NEGATIVE RATING ACTIONS ACROSS NORTH AMERICAN AIRLINE SECTOR * FITCH SAYS BELIEVES PANDEMIC WILL UNDO SOME OF CREDIT IMPROVEMENT SEEN OVER PAST DECADE AT NORTH AMERICAN AIRLINES * FITCH SAYS MOST N. AMERICAN AIRLINES TO EXIT THE WORST OF CRISIS WITH HIGHER DEBT LEVELS, LOWER LIQUIDITY * FITCH SAYS N. AMERICAN AIRLINES SECTOR TO LEAVE THE WORST OF THE CRISIS MORE EXPOSED TO ADDITIONAL EXOGENOUS SHOCKS * FITCH, ON N. AMERICAN AIRLINES, SAYS DEPTH OF DECLINE IN TRAFFIC RELATED TO PANDEMIC IS CAUSING SUBSTANTIAL CASH OUTFLOWS FOR AIRLINES IN NEAR-TERM * FITCH, ON N. AMERICAN AIRLINES, SAYS HAS BECOME INCREASINGLY LIKELY ECONOMIC IMPACT OF PANDEMIC TO CAUSE MUCH SLOWER THAN PREVIOUSLY EXPECTED REBOUND IN AIR TRAFFIC * FITCH, ON N. AMERICAN AIRLINES SAYS FORECASTS RESPONSE TO PANDEMIC TO LEAD TO A DEEP ECONOMIC RECESSION Supply textual content for Eikon:Our Requirements:The Thomson Reuters Belief Rules.