As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 7558 - CRW-IAD - DURING CRUISE, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO RIGHT ENGINE VIBRATION. AIRCRAFT DIVERTED TO LOUISBURG. AIRCRAFT WENT TO THE GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND FOUND RIGHT PROP DE-ICE MAT MISSING. MAINTENANCE REPLACED PROP DE-ICE BOOT, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)