What was found
ON TAKE OFF NUMBER 2 ENGINE EGT EXCEEDED REDLINE AFTER LIFTOFF FOR A COUPLE SECONDS UNTIL THRUST WAS MANUALLY REDUCED. OPS NORMAL AFTER QRC/QRH. EGT WAS ABOUT A NEEDLE WIDTH PAST REDLINE. GROUNDED - YES. ACCOMP B737-800 FIM 71-06 TASK 804 STEP (E)(2) TO CHECK FOR RELATED ENGINE FAULTS. EEC BITE OF #2 ENG REPORTED NO FAULTS LAST 10 FLT LEGS. VERIFIED ENG #2 EGT T49.5 SENSOR READINGS WITHIN RANGE REF B737-800 AMM 77-21-00/201. ACCOMP BORESCOPE OF HPT, LPT1, LPT1 NGV. FOUND LPT NGV CRACKS, 1 SEGMENT HAS 2 FULL CRACK WITH ONE OF VANES HAS PARALLEL CRACKS AND ONE VANE HAS TWO HOLES WITH ADDITIONAL AXIAL CRACKING, BEYOND LIMITS OF B737-800 AMM 72-00-00-200-811-F00 AND TABLE 4 FIG 635. REMOVED #2 ENGINE S/N # 896-287 REF T/C #78471001.