The Southwest Airlines flight experienced a rare oscillation in May that caused “substantial” damage to its tail section and prompted investigations from federal agencies. Airlines and Airplanes, Aviation Accidents, Safety and Disasters, Transportation, Boeing 737 Max Groundings and Safety Concerns (2019), Oakland (Calif), Phoenix (Ariz), United States, Southwest Airlines Company The Southwest Airlines flight experienced a rare oscillation in May that caused “substantial” damage to its tail section and prompted investigations from federal agencies. NYT > Business