What was found
FOLLOWING INSTALLATION OF A FRESHLY OVERHAULED AUX PUMP INTO THE AIRCRAFT, A FUNCTIONAL AND PRESSURE TEST WAS PERFORMED. THE PUMP WOULD RUN PUT ONLY PUT OUT 3 PSI. REQUIRED PSI IS 5. FURTHER TROUBLESHOOTING PERFORMED AND THEN PUMP WOULD ONLY PUT OUT 0.5 PSI. WHEN THE PUMP WAS REMOVED FOR INSPECTION 2 SCEWS FELL OUT OF THE PUMP INLET FITTING, AND A 1 WAS LOOSE INSIDE. THE FOURTH SCEW OF THE SET WAS THE ONLY SCEW STILL INSTALLED. THE PUMP WAS A A8150-B SN 63853. 8130-3 FORM TRACKING NR 15535. THE PUMP HAD ZERO RUN TIME ON IT, ONLY WAS FUNCTION CHECKED FOLLOWING INSTALLATION AND FOUND THAT IT APPEARED TO HAVE NOT BEEN ASSEMBLED PROPERLY.