As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX/BTB - FLT 25 - PRIOR TO TAKEOFF, NR 2 ENGINE EGT WENT TO 920 DEGREES CELSIUS. 920 DEGREES WITHIN LIMITS PER MM 72-00-00. NOTE: WITH ENGINE OFF EGT STILL READING APPROXIMATELY 900 DEGREES DUE TO MOISTURE ON PLUG P-1826. CLEANED PLUG AND FOUND ALL PARAMETERS TO BE NORMAL, FROM IDLE TO TAKEOFF POWER. (X)