As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW INFLIGHT T2457/24JUL. CREW REPORTED NR 1 ENGINE MADE LOUD BANG FOLLOWED BY ENGINE GAS TEMPERATURE HIGH. CREW SHUT DOWN NR 1 ENGINE AND RETURNED TO DFW AND LANDED WITHOUT INCIDENT. FOUND TURBINE DAMAGE. REPLACED NR 1 ENGINE ON 24 JUL AT DFW. SYSTEM GROUND CHECKED NORMAL OPS. (OPEN)