What was found
NR 1 ENGINE AFT BY-PASS DUCT CRACK AROUND 9 O’CLOCK RIB DUCT, ALLOWED MOMENTARY DISENGAGEMENT OF OIL TRANSFER TUBE AND ORING FAILURE. OIL LEAK CAUSED LOSS OF OIL PRESSURE AT TAKEOFF. PILOT SHUT DOWN ENGINE AND LANDED AT NEAREST AIRPORT. AT REPLACEMENT OF DUCT THE AIRCRAFTS ADDITIONAL ENGINES WERE INSPECTED AND LIKE DEFECTS WERE FOUND ON BOTH ENGINES A 3 AND 9 O’CLOCK RIB DUCTS. REFERENCE TWO (2) ADDITIONAL MDRS DATED 10-03-03 ON FALCON 900EX, SN 032.(K)