As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PACK LIGHT LEFT SIDE CAME ON DURING MASTER CAUTION RECAL AT TOP OF DECENT. ACFT GROUNDED. PERFORMED LEFT PACK ZONE TEMP CONTROLLER BITE IAW AMM 21-51-00-700-803. NO FAULT IN BITE. PERFORMED VERIFY NUMEROUS TIMES. NO FAULTS. TEST PASSED. OPERATED PACKS INDIVIDUALLY AND SIMULTANEOUSLY TO DUPLICATE FAULT IAW AMM 21-51-00-700-802. NO FAULT FOUND .OPERATIONAL TEST PASS. NO FAULT HISTORY IN 30 DAYS.