What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO JAX. AFTER TAKEOFF AT APPROX 2000 FT MULTIPLE LOUD BANGS AND AIRCRAFT YAW. POWER WAS REDUCED AND IT WAS DETERMINED THE #2 ENGINE OIL QUANTITY WAS FLASHING AND READING BETWEEN 0.0 AND 1.0 QUARTS. AIRCRAFT LANDED SAFELEY AT JAX IN APPROX 5 MINUTES. AFTER LANDING #2 ENGINE WAS SHUTDOWN. NO EXTERNAL EVIDENCE OF OIL OR ENGINE ISSUES. **SUPPLEMENTAL REPORT FOR AALA202306198657: MAINTENANCE REPLACED THE #2 ENGINE PER TASK CARD 26L40071001 AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK. ** (CLOSED)