- F.A.A. Tells Airlines to Check Panels on a Second Boeing PlaneThe New York Times
- Boeing 737-900ER: Second model to be inspected after 737 Max 9 blowoutBBC.com
- FAA asks airlines to inspect earlier generation of Boeing 737sCNN
- US watchdog orders checks on more Boeing jet doors | REUTERSReuters
- FAA recommends airlines inspect door plugs on another Boeing modelYahoo! Voices