As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK LIGHT ILLUMINATED WITH RECALL EXTINGUISHES ON RESET. ACFT GROUNDED. INSPECTED FAN BYPASS CHECK VALVE ON LT PACK PRIMARY PLENUM/DIFUSER ASSY FOR OPERATION AND SECURITY. BYPASS CHECK VALVE CHECK IS NORMAL. ACCOMPLISHED BITE PROCEDURE OF NR 1 PACK/ZONE TEMP CONTROLLER. FAULTS LT PACK TEMP CONTROL VALVE. R & R LT PACK TEMP CONTROL VALVE IAW AMM 21-51-10. OPS CHECK AND BITE VERIFY OK. STARTED BOTH ENGINES AND CONFIGURED FOR OPERATION. NO FAULTS ON RECALL NOTED.