As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENG 1 SENSOR FAULT ECAM AMBER X'S EGT APPEAR IN FLIGHT. AIR RETURN LANDING WHT WAS ABOUT 145.500LBS-REMOVED & REPLACED #1 ENG EGT HARNESS & JUNCTION BOX IAW AMM 77-21-43. REMOVED & REPLACED #1 ENG CORE HARNESS IAW AMM 77-21-43 OPS CK REQUIRED 64574 PERFORMED OPERATIONAL TEST OF FADEC AND IDLE ENGINE RUNS IAW AMM 73-22-00-710-040 AND 71-00-00-710-012. OPC CHECK GOOD.