As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONT CABIN ZONE TEMP ILLUMINATES WITH RECALL. GROUNDED - YES. FOLLOWED B737-800 FIM 21-62 TASK 848 AND COMPLIED WITH ALL FIM TASKS INCLUDING THE PACK TEMP CONT BITE PROCEDURE FIM 21-62 TASK 801. NO FAULT. THIS WAS AN INTERMITTENT FAULT. ALL GROUND VERIFICATION CHECKS GOOD.