As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK LIGHT ILLUMINATES WITH SYSTEM RECALL. ACFT GROUNDED. ZONE TEMP CONTROLLER BITE SHOWS NO FAULTS. RIGHT PACK OPS CHECK NORMAL. REPLACED NR 2 ZONE TEMP CONTROLLER IAW AMM 21 61 20 PAGE BLOCK 401. NR 2 ZONE TEMP CONTROLLER BITE NORMAL AND PACK OPS CHECK NORMAL ON GROUND.