FAA Inspections ordered.
WN, AA, UA & DL all quoted, nothing from AS. 165 out of the 2k U.S. registered 737s will need to be inspected within 7 days, and then in phases for the rest.
https://www.usatoday.com/story/news/nation/2019/10/02/boeing-737-inspections-ordered-faa-look-wing-support-cracks/3836337002/