As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ZONE TEMP ON CONTOL CABIN ILLUMINATED DURING AFTER START. ACFT GROUNDED. PERFORMED PFTC BITE ON BOTH NR 1 AND NR 2 PFTC IAW FIM 21-62, TASK 801. NO FAULTS ON EITHER CONTROLLER. R & R CONTROL CABIN SENSOR FILTER IAW AMM 21-61-06. NO FAULTS.