As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR COND ZONE TEMP CONT CAB LIGHT ON RECALL GOES OUT ON RESET. REMOVED AND REPLACED CONTROL CABIN ZONE TRIM AIR MODULATING VALVE, BITE CHECK GOOD, OPS CHECK GOOD. NO RECALL LIGHT. REMOVED ACFT FROM MEL 21 21F C/N PLACARD 0204012, REMOVED CONTACTED SEAMC VERIFIED INSTALLATION ETOPS PART.