As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HSI CAPTAIN`S SIDE, CAUSED SMOKE IN COCKPIT. SCREEN WENT BLACK. REPLACED EHSI IAW MM 34-22-04-404-019. OK FOR SERVICE, VISUAL CHECK OF HSI RACK/MOUNT APPEARS NORMAL, NO NOTICABLE DAMAGE FOUND. ACCOMPLISHED LMP MCDP TEST 30. TEST PASS. ACFT LMP STATUS REMAIN "LAND 3."