As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE AFTER START RECALL CHECK THE CONT CAB ZONE TEMP LIGHT ILLUMINATED AFTER QRH PROCEEDURES THE ZONE TEMP LIGHT EXTINGUISHED BUT WOULD REILLUMINATE ON RECALL. ACFT GROUNDED. PERFORMED FIM 21-62 TASK 845. WHILE OPERATING PACKS, ZONE TEMP LIGHT DID NOT ILLUMINATE. ZONE TEMP LIGHT NO LONGER ILLUMINATES ON RECALL. NO PREVIOUS HISTORY LAST 90 DAYS. CHECKED GOOD FOR SERVICE.