As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PACK R2 AND TIME UNABLE TO RESET. RT PACK TEMP HIGH CAUSING PACK TRIP OFF. ACCOMPLISHED TROUBLESHOOTING IAW MAINT MSG, SWAPPED RT LOW LIMIT VALVE WITH RT TURBINE BYPASS VALVE IN ORDER TO DISPATCH USING MEL2152AE. REPLACED RT LOW LIMIT VALVE. SWAPPED TURBINE BYPASS VALVE BACK TO ITS ORIGINAL POSITION. OPS CHECK NORMAL.