What was found
ON #2 ENGINE, EGT PROBE T49.5 S3, ONE STUD DAMAGED ON LOWER PORTION OF ASSEMBLY. GROUNDED - YES. REMOVED #2 ENGINE S3 PROBE TO FOM PER B737-800 AMM 77-21-01. REMOVED #2 ENGINE CORE FIRE DETECTION HARNESS TO FOM PER AMM 26-11-02. REPLACED BROKEN STUD ON #2 ENG T49.5 S3 EGT PROBE PER AMM 77-54-00. PROVIDED SPECIAL, MARKED LOCK WASHER TO AVIONICS. REINSTALLED #2 ENGINE T495 S3 PER AMM 77-21-01/401. OP-CHECKS GOOD. REINSTALLED #2 ENGINE CORE FIRE DETECTOR HARNESS (LOWER) PER AMM 26-11-01/401. OP-CHECKS GOOD.