What was found
OIL QUANTITY ENGINE NR 2 DROPPED TO 0, FOLLOWED BY LOOSE OF OIL PRESSURE ENGINE NR 2. PERFORMED OIL QUANTITY DECREASE AND IN-FLIGHT ENGINE SHUTDOWN ABNORMAL PROCEDURES. ENGINE SHUTDOWN AT 0436Z OIL QUANTITY: 0, OIL PRESSURE: 37 PSI. AFTER SHUTDOWN OIL PRESSURE: 4 PSI, OIL TEMPERATURE: 96 DEGREES CELSIUS. REMOVED AND REPLACED NR 2 ENGINE ASSEMBLY IAW ASTAR B-727 M/M 71.1. ENGINE FAILED TEST RUN (COMPRESSOR STALL) SEE ITEM 10M LOG PAGE 321384 FOR CORRECTIVE. DURING INITIAL ENGINE RUN #2 FOLLOWING ENGINE CHANGE. COMPRESSOR STALL AT PART POWER DURING STEADY STATE OPERATION. REMOVED AND REPLACED NR 2 ENGINE ASSEMBLY IAW ASTAR B-727 MTM 71.2. OK FOR SERVICE.