As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GE DIAGNOSTICS REPORTS NR 1 ENGINE CRUISE DELTA EGT SHOWS GREATER THAN NORMAL SCATTER AND MOVEMENT. EGT INDICTION IS SUSPECT: PRI: 1 PERFORMED EGT PROBES CLEANING PER MM 77 21 00 201 PINS AND SOCKETS TENSION CHECKED NORMAL. VALUES S1 S4 PRE 205 176 176 214 POST 130 83 83 142 DURING RUN AFTER 3 MIN 380 430 415 410. NO FAULTS LOGGED.