On September 1st, 2011, a Atlantic Southeast Airlines Canadair CRJ-200, operating under the Delta Connection banner on behalf of Delta Airlines, had an incident in which the left main gear did not lower for landing. The aircraft, N875AS (MSN 7559) was operating flight EV-5058/DL-5058 from Atlanta, Georgia to Baton Rouge, Louisiana with 50 passengers and 3 …