What was found
DURING CRUISE, F/O'S LOWER EFIS SCREEN BLINKED OFF THEN ON. A STRONG ELECTRICAL BURNING ODOR FOLLOWED THEN DISSIPATED AFTER 10 MINUTES, NO SMOKE WAS PRESENT. CHECKED WIRING IN THE COCKPIT AND FOUND F/O ASA AND WIRE BUNDLE W1054 CHAFED AND BURNED SLEEVE. REMOVED BURNED SLEEVE AND FOUND ALL WIRE TO BE IN SERVICEABLE CONDITION. REPAIRED WIRE BUNDLE SLEEVE IAW SWD20-10-13. R & R F/O'S ASA AND EHSI, OPS CHECK OK.