As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FORWARD ZONE CABIN TEMP TRIM AIR VALVE INOPERATIVE. FWD CABIN AIR CONDITIONING ZONE INOP LIGHT. TRANSFERRED TO DMI 141569, IAW MEL 21-61-04-01B CAT C DUE 07FEB21. MCC NOTIFIED, PLACARDS INSTALLED. LOG PAGE 1273154: REPLACED TRIM VALVE MODULATING IAW AMM 21-61-07. OPS AND LEAK CHECK GOOD. THIS CLEARS DMI 141569. MCC NOTIFIED.