As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 348 LAS-JFK. (ETOPS). " COCKPIT TRIM VALVE INOPERATIVE. REMOVED AND REPLACED TRIM AIR VALVE (12HK) IAW AMM 21-63-51. OPS CHK GOOD. NO FAULTS NOTED AT THIS TIME. GROUND VERIFICATION REQ FOR MDDR 605305 COCKPIT TRIM FAULT. OPS CHK OF THE COCKPIT & CABIN TEMP CONTROL SYS WAS ACCOMPLISHED IAW AMM 21-63-00. NO FAULTS NOTED AT THIS TIME. ACFT OK FOR CONT SVC.