What was found
IN FLIGHT RECEIVED RT ENGINE FIRE WARNING MESSAGE, COMPLIED WITH QRC AND QRH. ENGINE WAS SHUTDOWN IN FLIGHT. (FLIGHT 3500) PERFORMED AN INSPECTION OF THE RT ENGINE THAT HAVE SALT WATER OR FIRE EXTINGUISHANT CONTAMINATION IAW AMM 72-00-00, NO DEFECTS NOTED. PERFORMED A FUEL OIL LEAK CHECK IAW AMM 71-00-00, NO LEAKS NOTED AT THIS TIME. PERFORMED A DETAILED INSPECTION OF THE RIGHT ENGINE FIRE-DETECTION SENSING ELEMENTS IAW AMM 26-11-00, AND FOUND NO DEFECTS NOTED. REFERENCE AML 1868377 FOR PARTS, LABOR, TROUBLESHOOTING AND THE REPLACEMENT OF THE RH ENGINE LOOP B A238. WHILE TROUBLESHOOTING RH ENGINE FIRE DETECTION LOOP B, ALSO FOUND RT ENGINE FIRE DETECTION LOOP A OPEN. RESECURED RT ENGINE LOOP A A234 CONNECTION 6 IAW AMM 26-11-05. PERFORMED AN OPERATIONAL CHECK OF THE FIREX DETECTION SYSTEM IAW AMM 26-10-00, OPS CHECK GOOD AT THIS TIME.