What was found
INSTALLED OVERHAULED OIL PUMP S/N 91S0 ON NR 1 ENGINE. DURING RUNS, FOUND OIL PUMP NOT DELIVERING PROPER AMOUNT OF PRESSURE. REMOVED OIL PUMP FROM ENGINE TO INSTALL ANOTHER OIL PUMP.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
INSTALLED OVERHAULED OIL PUMP S/N 91S0 ON NR 1 ENGINE. DURING RUNS, FOUND OIL PUMP NOT DELIVERING PROPER AMOUNT OF PRESSURE. REMOVED OIL PUMP FROM ENGINE TO INSTALL ANOTHER OIL PUMP.