What was found
RT DUCT PRESSURE = 20 PSI, LT DUCT PRESSURE= 40 PSI BOTH IN CLIMP AND CRUISE. REMOVED AND REPLACED PRSOV VALVE AND OPS CHECKED NORMAL IAW MM. A/C OK FOR SERVICE. (K)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RT DUCT PRESSURE = 20 PSI, LT DUCT PRESSURE= 40 PSI BOTH IN CLIMP AND CRUISE. REMOVED AND REPLACED PRSOV VALVE AND OPS CHECKED NORMAL IAW MM. A/C OK FOR SERVICE. (K)