What was found
LAS - FUEL LEAK - DURING B-3 CHECK FUEL WAS FOUND DRIPPING FROM RT ENGINE PYLON AFT DRAIN LINE, UPON FURTHER INVESTIGATION A FUEL LEAK WAS FOUND ON RT ENGINE FUEL FEED LINE AT 90 DEGREE ELBOW APPROXIMATELY 2 INCHES FROM ADEL CLAMP UNDER THE HOT AIR BLEED DUCT AND BELL CRACK MECHANISM AT WS 247. LEAK WAS CAUSED BY INBOARD SIDE OF -Y- DUCT CHAFING THROUGH ENGINE FUEL FEED LINE. MAINTENANCE REPLACED RT ENGINE FUEL FEED LINE IAW BMM 28-22-15, LEAK AND PRESSURE CHECKS WERE GOOD.