As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6348 - IAD-GSO - DURING CRUISE, AIRCRAFT MADE AN SCHEDULED LANDING AT GSO WITH ONE DISCREPANCY WHICH WAS RIGHT ENGINE RPM INDICATOR FAILED TO ZERO. AIRCRAFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED ADN REMOVED ADN REPLACED TACH GENERATOR, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)