As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FLIGHT GUIDANCE COMPUTER FAILED DUE TO HARDWARE INTERNAL FAILURE. WHEN AIRCRAFT POWER WAS ATTACHED AND SELECTED ON: TO TROUBLE SHOOT YAW/DAMPER FAIL SNAG, MECHANICS NOTICED RED GLOW FROM INSIDE BOX AND FAINT SMOKE/MICARTA SMELL INDICATING OVERHEAT CONDITION - FLIGHT GUIDANCE COMPUTER REPLACED WITH NO FURTHER INCIDENT.