FAA Recommends Inspections Boeing 737-900ER Door Plugs - Simple Flying

1. FAA Recommends Inspections Boeing 737-900ER Door Plugs  Simple Flying
2. Boeing 737-900ER door plugs need to be checked, FAA says  NPR
3. FAA urging inspection of another Boeing plane model  NBC News
4. Boeing faces new safety alert over earlier generation of 737s  KSL.com
5. Pontifications: Boeing turns to US Navy Admiral for second time in MAX crises  Leeham News and Analysis