What was found
ENGINE NR 3 SYSTEM-B FIRE DETECTION LIGHT ILLUMINATED. TRANSFERRED TO DMI NR 12942 PER DHL MEL 26-13-1 CAT-C. PLACARD INSTALLED. MAINTENANCE CONTROL WAS NOTIFIED. REF DMI NR 12942 NR 3 ENGINE SYSTEM B-LOOP FIRE DETECTION. TROUBLESHOT TO SHORTED FIRE WALL LOOP. PART ORDERED. DMI 12942 REMAINS OPEN. REF DMI 12942 - NR 3 ENGINE B-SYSTEM FIRE LOOP INOPERATIVE. REMOVED AND REPLACED WITH SERVICEABLE LOOP, NO HELP. FOUND NEW PART BAD FROM STOCK. CLEANED OIL FROM CONNECTORS, OPS CHECKED GOOD PER M/M 26-11. THIS CLEARS DMI 12942, PLACARDS REMOVED.