As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON RECALL "AIR COND" ZONE TEMP LIGHT ILLUMINATED FOR CONT CABIN. IT WILL RESET WITH THE MASTER CAUTION. GROUNDED - YES. REMOVED AND REPLACED ZONE TRIM AIR MODULATING VALVE REF B737-900 AMM 21-61-21. BITE TEST GOOD, LEAK CHECK GOOD, OPS CHECK GOOD. GROUND VERIFICATION SUCCESSFUL.