What was found
LAX - FLT 41 - AT FL 240, RT ENGINE EXPERIENCED COMPRESSOR STALL. PASSENGER REPORTED SMOKE AND FLAMES FROM RT ENGINE, AND ACRID SMOKE FILLED THE CABIN. SMOKE DISSIPATED QUICKLY. CREW DECLARED AN EMERGENCY AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE PERFORMED A BORESCOPE OF THE COMPRESSOR, COMBUSTION CHAMBER, AND TURBINE NOZZLE SECTIONS OF THE RT ENGINE. FAN BLADE TAP TEST AND CHIP DETECTOR INSPECTION WERE COMPLETED. NO DISCREPANCIES WERE FOUND. AIRCRAFT WAS RETURNED TO SERVICE. (X)