What was found
AIR TURNBACK, NR 1 COMPASS SYSTEM INTERMITTENTLY INOP, HGD FLAG IN CAPT HSI AND F/O RMI. REPLACED NR 1 DG AND OPS CKS OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK, NR 1 COMPASS SYSTEM INTERMITTENTLY INOP, HGD FLAG IN CAPT HSI AND F/O RMI. REPLACED NR 1 DG AND OPS CKS OK.