What was found
RIGHT AFTER LIFTOFF, ON TAKEOFF, NR 2 ENGINE EGT SHOWED A MOMENTARY TEMPERATURE EXCEEDANCE LASTING LESS THAN FIVE SECONDS. TAKEOFF POWER WAS AT 27K MAX THRUST. TAKEOFF SETTING WAS AT OUTSIDE TEM OF 27 DEGREES C. ENGINE INDICATION NORMAL THE REST OF FLIGHT. ACFT GROUNDED. ACCOMPLISHED FMC ENGINE 2 BITE AND FOUND FAULTS 77-20862 AND 77-20872 IN HISTORY. ACCOMPLISHED EGT SYS INSPECTION IAW AMM 77-21-01-200-801-F00. FOUND S3 AND S4 PROBE SEGMENTS BOTH HIGH OUT OF RANGE. R & R THEM BOTH IAW AMM 77-21-01-401, OPS GOOD. ACCOMPLISHED EGT EXCEEDANCE RESET FOR ENGINE 2 IAW AMM 71-00-00-740-801-F00.