What was found
SHORTLY AFTER TAKE OFF, CA HSI AND ADI GO FULL BRIGHT WITH NO INPUT FROM CA FO HEARD CLICKING, & ENTIRE CREW SMELLED FUMES, BRIGHT RED SQUARE APPEARS ON CA HSI, THEN WENT BRIGHT ORANGE WITH APPEARANCE OF SPARK LOOKING DOT IN CENTER HSI FAILED, EFI SWITCH PUSHED, HSI CAME BACK ON THEN FAILED AGAIN ADI SURGED IN BRIGHTNESS THEN TURNED BLURRY. REMOVED AND REPLACED THE CAPTAIN`S EHSI IAW AMM 34-22-04. OPS CHECKED NORMAL.