What was found
FLIGHT 8315 DURING THE DESCENT, 25 MINUTES OUT, THE CREW REPORTED NR 2 ENGINE QUANTITY INDICATION WENT TO (0) AND NR 2 ENGINE OIL PRESSURE WENT TO (0), THE CREW REPORTED THE NR 2 ENGINE WINDMILLED FOR 25 MINUTES AT 6-10 PSI. THE AIRCRAFT LANDED WITHOUT FURTHER INCIDENT, MAINTENANCE INSPECTED THE ENGINE FOR OBVIOUS SOURCE OF LEAK, NONE WAS FOUND, THE ENGINE OIL CAP WAS CHECKED FOR SECURITY AND PROPER INSTALLATION IAW MM, NO DISCREPANCIES WERE NOTED. THE NR 2 ENGINE WAS SERVICED WITH OIL, AN ENGINE RUN WAS ACCOMPLISHED AT PART POWER IAW MFG ENGINE GENERAL ADJ AND TEST 101 AND PAGE 531 THROUGH PAGE 533 PAR (1) ENGINE WINDMILLING, NO DISCREPANCIES NOTED. THE AIRCRAFT WAS RETURNED TO SERVICE.