By WARREN WOODBERRY Jr. Daily News Staff Writer More than 180 people reported seeing American Airlines Flight 587 on fire before it slammed into the Rockaways after takeoff from Kennedy Airport last fall, according to a new report. The National Transportation Safety Board says 181 witnesses — 52% of the 349 interviewed — said they saw the jet on fire before it plunged into the Belle Harbor, Queens, neighborhood on the morning of Nov. 12. Twenty-two percent interviewed reported seeing flames near the plane's fuselage. Other witnesses reported seeing fire on an engine or wing of the Airbus A300-600 jet....