As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK LIGHT ILLUMINATES DURING MASTER CAUTION RECALL. EXTINGUISHES WITH RESET. GROUNDED - YES. BOX FAULTED R/H TCV RESET BOX AND RAN BITE CHECK (HARD FAULTED.) REMOVED AND REPLACED R/H TCV AND RAN BITE CHECK. NO FAULTS NOTED LEAK CHECK GOOD REF B737-800 AMM 21-51-10.