As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ISIS WENT DARK, THEN RE-APPEARED WITH WHITE "ATT" INSIDE RED BOX. NO ATTITUDE INFORMATION PRESENTED. OTHER INSTRUMENTATION MATCHED PRIMARY DISPLAYS QRH PROC APPLIED, NO EFFECT. EMERGENCY DECLARED.-C/A-ACCOMPLISHED FIM TASK 34-1-00-810-801-A STEPS 1 &3. DISCREPENCY IS TRASITORY CONDITION. AIRCRAFT OKAY FOR SERVICE.