As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLOW CONTROL VALVE CAUSES RT PACK TO SHUTOFF. UPPER & LWR FCV'S LATCHED MX. REPLACED LWR FLOW CONTROL VALVE AND TESTED WIRING TO THE ECONO VLV IAW FIM. WIRING TESTED GOOD. RETESTED AND TEST FAILED. UPPER FCV STILL NEEDS REPLACING AND CABIN TEMP CONTROLLER REPLACEMENT SUGGESTED. NIS DENVER FCV PCN 646-9007 AND CABIN TEMP CONTROLLER PCN 566-9016. FOUND RT PACK UPPER AND LWR VALVES OK. ECON VALVE FAILS. REPLACED ECON VALVE. OPS CK GOOD.