What was found
FLT 5593 STL - HEADING COMPARE ERROR ON THE EICAS. ERROR OF MORE THAN 7 DEGREES. MAINTENANCE ADJUSTED THE SYSTEM AND PERFORMED A COMPASS SWING. SYSTEM OPS CHECKED GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 5593 STL - HEADING COMPARE ERROR ON THE EICAS. ERROR OF MORE THAN 7 DEGREES. MAINTENANCE ADJUSTED THE SYSTEM AND PERFORMED A COMPASS SWING. SYSTEM OPS CHECKED GOOD.