FAA has issued airworthiness directive 2018-06-05 for certain Boeing 737-300s and -500s, requiring repetitive inspections for cracking of the lower wing skin and repair if necessary, effective April 23.
FAA has issued airworthiness directive 2018-06-02 for all Bombardier CRJ 100s, 440s, 700s, 701s, 702s, 705s and 900s, requiring modifying the wiring harness of the yaw damper control system, effective April 27.