What was found
ETOPS SIGNIFICANT SYS - FO'S ADI AND HSI ARE BLANK WITH SG FAIL MESSAGE DISPLAYED IN BOTH INDICATORS. SELECTING ALTN EFI CORRECTS FAULT. AFTER CLEARING RUNWAY PUT EFI SWITCH TO NORMAL AND INSTRUMENTS HAD NORMAL DISPLAY. T/S IAW FIM 34-22-00, FIG 104, NO FAULTS NOTED, ALL OPS NORMAL. OK FOR SERVICE. ACFT REMAINS LAND 3.