As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, ROLL AND PITCH INDICATION ON CAPTAINS F/O ATTITUDE INDICATOR CAME ON, FOLLOWED QRH AND RETURNED TO MKE CAPTS PITCH PLUS 7 DEGREES OVER FIRST OFFICER BANK 5-10 DEGREE. REPLACED CAPTAINS AHRS COMPUTER IAW CRJ AM 34-21-01. OPS TEST FOUND SATISFACTORY, FOUND SERVICEABLE. (M)