As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6249 - IAD-BGM - MADE A UNSCHEDULED LANDING AT IAD DUE TO RIGHT ENGINE RPM'S FLUCTUATED PLUS OR MINUS 5 PERCENT IN FLIGHT. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED RIGHT ENGINE PPC, OPS CHECK OK. AIRCRAFT WAS APPROVED AND RELEASED FOR RETURN TO SERVICE. (M)