As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6546 - IAD-ROA - DURING CRUISE, A/C MADE A UNSCHEDULED LANDING DUE TO HYDRAULIC FLUCTUATION ON BOTH LEFT AND RT PSI GAUGE. AIRCRAFT RETURNED TO THE GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND BLEED RT HYDRAULIC PUMP AND REMOVED AND REPLACED LT HYDRAULIC PUMP TRANSMITTER. OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)