What was found
AIRCRAFT WAS NOT GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO CLT DUE TO THE FLIGHT CREW REPORTING THAT ENGINE 1 EGT OVER LIMIT CAUTION MESSAGE DISPLAYED RIGHT AFTER LIFTOFF - THE AIRCRAFT LANDED SAFELY AT CLT WHERE IT TAXIED TO THE GATE UNDER ITS OWN POWER - MAINENANCE REPORTED THAT THE EGT RETRIEVED AT 959C FOR A DURATION OF 71 SECONDS IN AREA A - MAINTENANCE ACCOMPLISHED TSM 77-00-00-810-849-A FOR A LOW MARGIN ENGINE DUE TO DETERIORATION - NO ADDITIONAL TROUBLESHOOTING WAS NECESSARY IN COORDINATION WITH THE ENGINE DESK PER AMM 72-00-00