As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON RECALL LEFT OVERHEAD PACK LT ILLUMINATED, FOLLOWED QRH EXTINGUISHES WHEN MASTER CAUTION CANCELLED. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 21-60 TASK 801, OPS CHECK GOOD. L/H PACK TCV FAULT LIGHT DID NOT RETURN. NO FURTHER DEFECTS NOTED.