As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK LIGHT ILLUMINATES AFTER MASTER CAUTION RECALL. GROUNDED - YES. CONFIRMED RT PACK TEMP CONTROL VALVE INOP. REPLACED RT PACK TEMP CONTROL VALVE PER B737-800 AMM 21-51-10-400-801. OPERATED PACK PER AMM 21-00-00-800-803. PERFORMED BITE CHECK PER AMM 21-61-00-700-806-002. NO FAULTS NOTED. THIS CLEARS MEL 21-32B. ETOPS GROUND VERIFICATION OF SIGNIFICANT SYSTEM SUCCESSFUL.