As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON CLIMB OUT, THE FLIGHT CREW EXPERIENCED A DOUBLE, ATTITUDE AND REF SYS FAILURE. FLIGHT RETURNED TO DEPARTURE AND LANDED SAFELY. BOTH UNITS REPLACED WERE REPLACED AND TESTED SERVICEABLE. NOTE: THE 2ND UNIT, TSN: 39786, TSO: 39786.