As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 7544 DEN TO IND CREW REPORTED E2 HAD LP VIBE TO 4.0 (IN AMBER) ON CLIMBOUT, PROCEEDED TO PULL POWER BACK UNTIL VIBE STABILIZED. ABOUT 15 MINS LATER IN CRUISE N1 DROPPED TO 25% AND RECEIVED AN E2 CNTRL FAULT. COULD NOT REGAIN CONTROL OF ENGINE AND PERFORMED PRECAUTIONARY SHUT DOWN. MAINTENANCE REMOVED AND REPLACED NR 2 ENGINE FMU AND GEAE FADEC P/N: 4120T00P48, S/N: LMDL0503, TT: 3979, TC: 2402.