As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT "PACK" LIGHT ILLUMINATES DURING MASTER CAUTION RECALL. THE LIGHT EXTINGUISHES WHEN MASTER CAUTION SYSTEM IS RESET. ACFT GROUNDED. LEFT PACK PRIMARY TEMP CONTROL INOPERATIVE. R & R LEFT TEMP CONTROL VALVE REF TASK 21-51-10-000-801 AND 21-51-10-400-801. OPS TEST PASSED AND LEAK CHECK CHECKED GOOD, SAME REF.