What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO PHX DUE TO THE FLIGHT CREW REPORTING THAT ENGINE 2 EGT OVER LIMIT ON TAKEOFF. THE FLIGHT CREW SHUT DOWN THE ENGINE AND LANDED SAFELY AT PHX WHERE IT TAXIED TO THE GATE UNDER ITS OWN POWER. A REVIEW OF THE DFDR DATA RESULTED IN THE DETERMINATION THAT THERE WAS AN EGT INDICATION ISSUE. MAINTENANCE REPLACED ALL OF THE EGT THERMOCOUPLES AND LEADS PER AMM 77-21-10. (AALA202506265557 HARNESS WIRING EGT, AALA202507099554 HARNESS WIRING EGT, AALA202507095688 HARNESS WIRING EGT, AALA202507099096 HARNESS WIRING EGT, AALA202507099743 HARNESS UPPER EGT, AALA202507098423 HARNESS LOWER EGT, AALA202507097894 COUPLING EGT)