As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR COND ANNUNCIATOR ILLUMINATES DURING RECALL. NO OVERHEAD LIGHT INDICATED. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 21-62 TASK 801, INTERROGATED ZONE TEMPERATURE CONTROLLERS FOUND TRIM VALVE FLT DECK LIGHT ON ZONE TEMP CONT 2. THEN PERFORMED FIM TASK 21-62 TASK 833. FAULT CLEARED NO FURTHER ACTION REQUIRED.