What was found
CAPTAIN`S FLIGHT DIRECTOR DISAPPEARED AT GLIDE SLOPE INTERCEPT. TRIED TO RESTORE, MOMENTARILY CAME BACK AND THEN DISAPPEARED AGAIN. DFCS FFR LOGGED MMR/ILS RECEIVER-1 & RADIO ALT 1 FOR PREVIOUS FLT WITH NO OTHER OCCURRENCE IN FFR. NO HISTORY IN TRAX PAST 30 DAYS. PERFORMED ILS OPS TEST REF MM 34-31-00-710-801. PERFORMED DFCS LRU FOR MMR/ILS & LRRA AND HGS SENSOR FOR BOTH. ALSO PERFORMED LAND VERIFY TEST REF MM 22-00-01-730-801, ALL TEST PASSED. ACFT REMAINS CAT IIIA AUTOLAND & HGS QUALIFIED, STATUS SCREW REFLECT SAME.