What was found
NR 1 ENGINE EXCEEDING EGT LIMITS DURING TAKEOFF. ACARS DATA SHOWS PEAK EGT VALUE AT 953 DEGREES ACFT GROUNDED. PERFORMED NR 1 ENG EXCEEDANCE CHECK IAW AMM TASK 71-00-00-740-801-F00. NO EXCEEDANCE FAULTS LOGGED ON CURRENT NOR FLT HISTORY. PERFORMED STEP 2. FIM 77-05 TASK 801. NO FAULTS FOUND ON HARNESS OR PLUGS. PERFORMED ALL EGT PROBES INSPECTION T49.5 AMM TASK 77-21-01-200-801-F00. IAW ELECTRICAL CHECK OF T49.5 PROBE TABLE. FOUND S1 AND S4 OUT OF LIMITS. S1= 1.1 ANS S4= 1.0. R & R THE S1 AND S4 PROBES IAW AMM TASK 77-21-01-000-801-F00, CHECKED NORMAL.