What was found
LT COOLING PACK PRESSURE REDUCING SHUTOFF VALVE FAILED TO CLOSE WHEN PACK FAILED. REPLACED THE LT PRESSURE REDUCING SHUTOFF VALVE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LT COOLING PACK PRESSURE REDUCING SHUTOFF VALVE FAILED TO CLOSE WHEN PACK FAILED. REPLACED THE LT PRESSURE REDUCING SHUTOFF VALVE.