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 RECALL, EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. PERFORMED FIM 21-53 TASK 821 NO FAULTS FOUND. DUE TO 2X HISTORY AFTER RECENT REPLACEMENT OF LT PACK ZONE TEMP CONTROLLER SUSPECTED FAULTY LRU. PLACED THIS ITEM ON SOS. AS A PRECAUTION REPLACED L/H TEMP CONTROLLER REF AMM 21-61-20/401. OPS TEST PASSED NO DEFECTS NOTED. .