What was found
AC 439 #1 ENG ESN 896345 CHRONIC HISTORY EGT INDICATION FAULTS, CURRENT EEC BITE CHECK FAULT 77-20861 FINDING IN LP 8564232. PLEASE ACCOMPLISH (1) REMOVE AND REPLACE CJ9 & CJ10 HARNESSES PE R AMM TASKS 73-21-06-000-803-F00 AND 73-21-06-400-803-F00, AND ( 2) REMOVE AND REPLACE J9 & J10 HARNESSES PER AMM TASKS 73-21-06- 000-802-F00 AND 73-21-06-400-802-F00, AND (3) REMOVE AND REPLACE T495 PROBES (QTY=4) ALL LOCATIONS S1,S2,S3,S4 PER AMM 77-21-01/4 01. DUE TO CHRONIC HISTORY, RECOMMEND TO INSTALL ONLY BRAND-NEW (TSN=0) HARDWARE FOR CJ9, CJ10, J9, J10, AND 4EA T49.5 EGT PROBE S. PLEASE RECORD ANY FINDIGNS & CORRECTIVE ACTIONS IN THIS LOGPAGE.CARRIED BY ELB REMOVED CORE ENGINE HARNESS AND CJ9 AND CJ10 PER AMM TASK 73-21-06-000-803-F00. ALSO REMOVED 3 OCLOCK STRUT HARNES COVER PER AMM TASK 73-21-06-000-802-F00. ALL PARTS REMOVED PLACED ON TABEL NEAR ENGINE. ALL CBS PULLED PER AMM IN FLIGHT DECK REPLACED T522 (S2) THERCOUPLE PROBE REF. AMM 77-21-01. NEEDS OPS CHECKS. PARTS USED: 29-7721-9-9001,QTY :1 1533403,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1533403 SN OFF 2211 IPC REFERENCE # 77-21-01 REPLACED T523 (S3) THERCOUPLE PROBE REF. AMM 77-21-01. NEEDS OPS CHECKS. PARTS USED: 1528376,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1528376 SN OFF 1612 IPC REFERENCE # 77PROBE, THERMOCO OFF 29-7721-9-9001 1801 ON 29-7721-9-9001 1143 PROBE, THERMOCO OFF 29-7721-9-9001 2493 ON 29-7721-9-9001 2456 PROBE, THERMOCO OFF 29-7721-9-9001 8512 ON 29-7721-9-9001 2421