What was found
DURING CLIMB, CAPT SIDE EHSI HAD A RED HDG FLAG. AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED NR 1 AHRS COMPUTER, ALL CHECKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CLIMB, CAPT SIDE EHSI HAD A RED HDG FLAG. AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED NR 1 AHRS COMPUTER, ALL CHECKS GOOD.