What was found
FLT 7148 - STL - RIGHT ATTITUDE HEADING REFERENCE COMPUTER FAILED AND HEADING COMPARATOR WARNING ILLUMINATED. MAINTENANCE REPLACED RIGHT ATTITUDE HEADING REFERENCE COMPUTER. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 7148 - STL - RIGHT ATTITUDE HEADING REFERENCE COMPUTER FAILED AND HEADING COMPARATOR WARNING ILLUMINATED. MAINTENANCE REPLACED RIGHT ATTITUDE HEADING REFERENCE COMPUTER. (M)