What was found
FLT 6150 - IAD-EWR - AIRCRAFT RETURNED TO GATE DUE TO NR 1 HSI WAS 120 DEGREES OUT. MAINTENANCE INSPECTED AND REMOVED AND REPLACED NR 1 HSI, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 6150 - IAD-EWR - AIRCRAFT RETURNED TO GATE DUE TO NR 1 HSI WAS 120 DEGREES OUT. MAINTENANCE INSPECTED AND REMOVED AND REPLACED NR 1 HSI, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)