What was found
NR 2 ENGINE, LEFT SIDE CORE AREA MW0326 HARNESS AT 11:00 POSITION HAS THREE AREAS OF DAMAGE. FIRST AREA HAS THE HARNESS SHIELD SHEATH COMPLETELY MISSING IN A SIX INCH AREA BETWEEN TO CLAMPS BELOW PRECOOLER. SECOND AREA HAS DAMAGE TO OUTER SHIELD SHEATH 2.30 INCHES LONG WITH OVER 50% OF SHIELD MISSING AND WEAR DAMAGE TO INNER CORE. THIRD AREA HAS DAMAGE TO OUTER SHIELD SHEATH 1.20 INCHES LONG WITH OVER 50% OF SHIELD MISSING. ACFT GROUNDED. REMOVED & REPLACED CORE FIRE DETECTION HARNESS IAW AMM 26-11-02. PERFORMED ENGINE FIRE DETECTION OP TEST IAW AMM 26-11-00. TESTED GOOD.