What was found
AIR TURNBACK, SMOKE IN COCKPIT ON ARRIVAL AFTER CREW DEBRIEFING, FOUND EADI BLANK WITH ASSOCIATED CIRCUIT BREAKER POPPED. PERFORMED WIRING CHECKED FROM EADI TO SYMBOL GENERATOR, & FROM EADI TO EFIS CONTROL PANEL AND FROM EADI TO EHSI, NOT ABNORMAL, NOTED REF WDM 34-22-14. R & R EADI IAW AMM 34-22-03-4, SATISFACTORY.