As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ACFT STARTED UP AND TAXIED ACROSS THE FIELD TO PICK UP PASSENGERS. UPON THE NEXT START THE CO-PILOT ATTITUDE INDICATOR FAILED TO ERECT. THE ACFT RETURNED TO BASE FOR MX. THE ATTITUDE INDICATOR WAS REPLACED WITH A NEW UNIT, FUNCTION TESTED OK. (TC 20100212006)