What was found
ON BEGINNING OF TAKEOFF ROLL, A SINGLE CHIME SOUNDED AND THE ATTITUDE DISPLAY MAP LIGHT ILLUMINATED WITH ASSOCIATED PIT AND ROLL FLAGS ON THE CAPTS EHSI. ABORTED TAKEOFF. REORIENTED NR 1 AHRS COMPUTER. GROUND CHECKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON BEGINNING OF TAKEOFF ROLL, A SINGLE CHIME SOUNDED AND THE ATTITUDE DISPLAY MAP LIGHT ILLUMINATED WITH ASSOCIATED PIT AND ROLL FLAGS ON THE CAPTS EHSI. ABORTED TAKEOFF. REORIENTED NR 1 AHRS COMPUTER. GROUND CHECKS GOOD.