As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT 10KFT AHRS 2 FAILED DISPLAYED RED ATT, MAG AND FD FLAGS. AP DISCONNECTED WITH YD 2 INOP MESSAGE. AP WAS IN HEADING MODE. C/W QRH FOUND CBP2-H14 POPPED. (PILOT DECAIRED AN EMERGENCY) AIRCRAFT REMOVED FROM SERVICE. CW OPS CHECK OF AHC IAW AMM 34-21-01. OPS CHECK GOOD AT THIS TIME.