As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FL 310 CLIMB, 98% N1, NR 1 EGT WENT TO 912 DEGREES, WHILE NR 2 WAS 750 DEGREES. EGT WAS CONTROLLABLE WITH REDUCTION OF THRUST, UNABLE TO MAINTAIN CLIMB POWER WITHOUT REACHING TEMP LIMIT. R & R THE J10 HARNESS IAW MM 73-21-06. FADEC TEST NORMAL IAW 73-21-00-700-802-FOO. ENG RUN IAW MM 71-00-00-700-823-F00. TEST 3B SHOWED NORMAL EGT.