As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONT CAB ZONE TEMP LIGHT ILLUMINATES-RESETS WITH MASTER CAUTION. GROUNDED - YES. PER FIM 21-62 TASK 842 PERFORMED BITE TEST ON PFTC #2, FAULTED FLT DECK TRIM CONTROL VALVE, RESET PFTC #2, AND OPERATED BOTH PACKS TO FULL WARM AND FULL COOL FOR 30 MINUTES PER REF AMM 21-00-00 PERFORMED RECALL TEST, NO FAULTS PRESENT. CLEANED ALL TEMP SENSOR FILTERS PER AMM 21-61-06.