What was found
UNABLE TO PRESSURISE ABOVE 1 PSI, 3 TC'S BLEEDS HIGH OUTFLOW HANDLE FULL UP AND LOCKED. DUMPED APPROXIMATELY 6.000 FUEL. FOUND EXHAUST DUCT OFF NR 3 T/C, REINSTALLED DUCT AND PRESSURIZED CABIN TO 4.5 PSI ON ENG RUN.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UNABLE TO PRESSURISE ABOVE 1 PSI, 3 TC'S BLEEDS HIGH OUTFLOW HANDLE FULL UP AND LOCKED. DUMPED APPROXIMATELY 6.000 FUEL. FOUND EXHAUST DUCT OFF NR 3 T/C, REINSTALLED DUCT AND PRESSURIZED CABIN TO 4.5 PSI ON ENG RUN.