What was found
QRF TO CBB, ENGINE LT ON TAKEOFF EGT REACHES 953°C DURING 30 SECS APPROXIMATELY. CORRECTIVE ACTION: AFTER TURNBACK WAS PERFORMED EGT EXCEEDANCE INSPECTION, IAW AMM TASK 72-00-00-216-0602(B). PERFORMED EGT TRIM BOX THERMOCOUPLE HARNESS AND PROBE SYSTEM TEST. PERFORMED BOROSCOPE INSPECTION WITHOUT DISCREPANCIES, IAW AMM 71-21-00 AND 72-00-00/601. DURING ENGINE RUNUP TEST MPA AT 90% N1 AND TAKEOFF POWER CHECK, IAW AMM 71-00-00-725-025 PARAMETERS WITHIN LIMITS.