What was found
AFTER TAKEOFF, THE CAPTAIN RECEIVED A YELLOW HEADING FLAG ON EFIS TUBE AND THEY WHERE SPLIT ABOUT 15 DEGREES. AIRCRAFT RETURN TO DTW. MAINTENANCE INSPECTED AND RESET THE AHRS SYSTEM, OPS CHECKED AND FOUND SYSTEM TO BE GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER TAKEOFF, THE CAPTAIN RECEIVED A YELLOW HEADING FLAG ON EFIS TUBE AND THEY WHERE SPLIT ABOUT 15 DEGREES. AIRCRAFT RETURN TO DTW. MAINTENANCE INSPECTED AND RESET THE AHRS SYSTEM, OPS CHECKED AND FOUND SYSTEM TO BE GOOD.