As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L PACK LIGHT ILLUMINATED ON RECALL. EXTINGUISHED WITH MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACED LT PRIMARY TEMP CONTROL VALVE REF AMM 21-51-10. BITE CHECK PASS, OPS TEST LEAK CHECK GOOD AND GROUND VERIFICATION TEST SUCCESSFUL.