What was found
(CAN) DURING OPS NR1 INSP, ENG OIL FILTERS WERE REMOVED AND INSPECTED. THERE WAS NO EVIDENCE OF CONTAMINATION ON THE FILTER ELEMENT, HOWEVER, WHEN THE SECONDARY FILTER WAS INSPECTED IT WAS FOUND WITH AN OPEN END. THE SECONDARY FILTER IS CONICAL SHAPED WITH THE END CRIMPED CLOSED. BOTH LT AND RT ENG FILTERS WERE FOUND TO BE IN THE SAME CONDITION. CHIP DETECTORS AND RGB SCREENS ON BOTH ENGINES INSPECTED AND FOUND CLEAN. NO EVIDENCE OF ENGINES OPERATING IN BYPASS. FILTERS PN 3059258-01 LOT 467330 INSTALLED 06-MAY-2008 - 396.2 HOURS IN OPERATION.