FAA has issued airworthiness directive 2018-04-04 for certain Bombardier CRJ 700s, 701s, 702s, 705s, 900s and 1000s, requiring water spray tests and general visual inspections for water in the flightdeck compartment--and water removal and sealant application if necessary, effective March 30.
FAA has issued airworthiness directive 2018-04-06 for all Boeing 737-100s, -200s, -200Cs, -300s, -400s and -500s, adding new repetitive inspections of certain areas of the frame inner chord and applicable on-condition actions, effective March 30.