What was found
MID CABIN ZONE TEMP CONTROL VALVE INOPERATIVE. REMOVED AND REPLACED THE LT MID CABIN AUX TRIM VALVE V135 IAW AMM 21-61-07, OPS CHECKED OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MID CABIN ZONE TEMP CONTROL VALVE INOPERATIVE. REMOVED AND REPLACED THE LT MID CABIN AUX TRIM VALVE V135 IAW AMM 21-61-07, OPS CHECKED OK.