What was found
EGT ON NR 1 ENG SHOWED 954 AND IN YELLOW AT CLIMB THRUST CLIMB THRUST PERFORMED FIM 71-06 TASK 804, NO RED BOX AROUND DIGITAL EGT INDICATION. PERFORMED EEC BITE PROCEDURE 73-00 TASK 801 AND FOUND FAULT MSSG 77-20861 (BOTTOM LEFT EGT OUT OF RANGE). INPUT MONITORING FOR T495 T495S3 CH B IS SHOWING A SIGNIFICANTLY HIGHER TEMP THAN S1. IAW FIM 77-21 TASK 803, PERF. ENG. 1 EGT CLEANING AND INSPECTION. NO DEFECTS NOTED. AFTER CLEANING, EGT FOR S3 SENSOR RETURNED INTO ACCEPTABLE RANGE. DUE TO HISTORY, AS PRECAUTION, R & R ENG. 1 S3 EGT PROBE IAW AMM 77-21-01. OPS CHECK GOOD. 5 MIN. ALL ENG. 1 TEMPS REMAINED IN ACCEPTABLE RANGE.