As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TREND DATA SHOWS A INCREASE IN DELTA EGT AND DECREASE IN EGT HOT DAY MARGIN ON NR 2 ENGINE. ACFT GROUNDED. R & R NR 2 ENGINE T495S2 PROBE IAW AMM 77-21-01/401. NR 2 ENGINE ELECTRONIC ENGINE CONTROL BITE TESTED NORMAL WITHOUT FAULTS. T49.5 PROBE'S INPUT READINGS ARE NORMAL WHILE ENGINE AT IDLE.