As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6211 - IAD-PVD - DURING CLIMB, AN UNSCHEDULED LANDING DUE TO NR 1 AHRS FAILED. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND RECYCLED A/C POWER, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)