As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#276, SJU-EWR. (AIRCRAFT PERFORMED AN AIR TURN BACK TO SJU). ' DURING CLIMBOUT ENG 1 EGT WAS SHOWING 134*C AT CLIMB POWER LEVER OFF FL 300. EGT FLUCTUATED BETWEEN 134-444 ENG1 OIL PRESSURE 213-230 PSI ENG 2 PARAMETERS EGT 444*C ENG 2 OIL PRESSURE 268 PSI; REMOVED AND REPLACED EGT HARNESS ASSY AND REMOVED AND REPLACED THERMOCOUPLE OPTION AT R/H-BOTTOM POSITION. ALL CHECKS ARE GOOD. A/C OK FOR CONTINUED SERVICE. REF. TSM 77-20-00-810-801B, AMM 77-21-15 AND AMM 77-21-43.'