Southwest, Gol ground 13 Boeing 737 NG airplanes after checks
WASHINGTON/SAO PAULO (Reuters) - Southwest Airlines Co and Brazil's Gol Linhas Aereas have grounded a total of 13 Boeing Co 737 NG airplanes, the companies said, after U.S. regulators ordered urgent inspections. Southwest said it had taken two planes out of service, while Gol had grounded 11.