As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD/PVD - FLT 6217 - DURING CRUISE AT 1830 HOURS ON 7-20-97, MADE AN UNSCHEDULED LANDING DUE TO RT RPM INDICATION DROPPED TO 89 PERCENT AT CRUISE. CREW SHUT DOWN RT ENGINE. AIRCRAFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED RT IEC, OPS CHECK OK. AIRCRAFT RELEASED AND APPROVED FOR RETURN TO SERVICE. (X)