As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT-HSV - FLT 546 - ON CLIMB-OUT REACHING 16,000 FEET, CREW FELT AIRFRAME VIBRATION. NO EMERGENCY DECLARED. RETURNED TO CLT. NO FURTHER INCIDENT DURING THE FLIGHT. MAINTENANCE FOUND RIGHT STUBWING BLOWOUT PANEL OPEN. REPAIRED BLOWOUT PANEL HINGE AND SECURED THE PANEL. (M)