Boeing reports faulty parts on 737 wings, including MAX

https://www.aerotime.aero/clement.charpentreau/22712-boeing-reports-faulty-parts-on-737-wings-including-max

Boeing notifies FAA of 737 Max parts that may be susceptible to failure

https://www.cnbc.com/2019/06/02/boeing-notifies-faa-of-737-max-parts-that-may-be-susceptible-to-failure.html