What was found
PDIS 360 26-10 4655 13DEC17 MEM FACT U LOGPAGES:2734383 ENG #3 FIRE INDICATION ON CLIMB OUT. COMPLIED WITH QRH PROCEDURES, INCLUDING DISCHARGE OF AGT 2. FIRE INDICATIONS STOPPED. CRASH CREW REPORTED NO INDICATIONS OF FIRE VISIBLE. RETURNED #3 ENG FIRE DETECTORS TO NORMAL OPS PER MD10 MEL 26-11-01-01. EXAMINED #3 ENGINE FOR LOOSE DUCTS OF EVIDENCE OF A FIRE. NONE FOUND. WHILE SHAKING WIRE HARNESS FOR PYLON FIRE DETECTOR A&B RECIEVED INTERMITENT B LOOP FAULT. R/R B LOOP HARNESS AND A LOOP HARNESS FOR PYLON FIRE DETECTORS. IAW MD10 MM 20-30-02-2. PERFORMED FIRE TEST IAW MD10 MM 26-11-02-5. FIRE TEST PASSED. FOILED PNEUMATIC DUCTS IAW MD10 MM 36-00-00-0. PERFORMED HIGH PWER RUN FOR #3 ENG IAW MD10 JRH. 3 MIN INTO RUN RECIEVED #3 ENG B LOOP FAULT. FAULT WAS ON SOLID DURING RUN FOR 10 MIN. ON TAXI BACK TO GATE FAULT WAS INTERMITENT AND ON SOLID AGAIN BY THE TIME WE PARKED. REEXAMINED PYLON B LOOP HARNESS AND WAS ABLE TO MAKE FAULT COME AND GO BY SHAKING CONNECTOR AT THE PYLON JUNCTION BOX. EXAMINED ALL FOILED DUCTS NO LEAKS NOTED. SHGN 14DEC17 00:41 MEM U REF WDM 26-11-03 FOUND WIRES AT CONNECTORS R5-8024 AND R5-8025 BORKEN INSIDE CONNECTORS AT PINS A AND B OF PLUG 8025 AND A B AND C OF 8024. PERFORMED HIGH PWER RUN FOR #3 ENG NO DEFECTS NOTED SYSTEM CHECKS NORMAL.