What was found
APPROX 50 MIN INTO FLT, LT ENGINE OIL QTY WAS ZERO. OIL PRESSURE FLUCTUATING ENGINE WAS SHUT DOWN. EMERGENCY DECLARED. FLT DIVERTED. ACCOMPLISHED VISUAL INSPECTION OF OIL SYSTEM. FOUND CHIP DETECTOR LAYING IN COWLING AND PUDDLE OF OIL IN COWLING, LEAKING STATICALLY FROM ANGLE GEARBOX CHIP DETECTOR PORT. INSPECTED ALL CHIP DETECTORS PER MM. NO METAL OR DEBRIS FOUND ON ANY DETECTOR. REMOVED MAIN OIL FILTER PER MM. NO METAL FOUND. INSTALLED NEW OIL FILTER PER MM. RAN ENGINE OIL FILTER AND N2 DRIVE PORT COVER LEAK CHECK OK, NO LEAKS FOUND. FOUND LOCKING SLOTS WORN THRU. SAFETIED CHIP DETECTOR TO BOSS. REPLACED ANGLE GEARBOX CHIP DETECTOR HOUSING AND PROBE. RAN ENGINE, NO LEAKS FOUND.