What was found
AFTER TAKEOFF CLIMBING THRU 3000 FT OIL PRESS LIGHT CAME ON. REDUCED POWER AND LIGHT WENT OUT, ADDED POWER AND INDICATION WAS NORMAL, OIL PRESS AND OIL GAGE AGREED. INSPECTED RT ENGINE CHIP DETECTOR & OIL FILTER FOUND NO DEFECTS, SERVICED ENGINE OIL TO FULL LEVEL WITH 3 QUARTS OIL. GROUND RAN ENGINES AND FOUND NO EVIDENCE OF LEAKS AT ACCESSORY DRIVE DRAINS BUT ENGINE CONSUMED .6 QT OIL IN 30 MIN. DUPLICATED PROBLEM MULTIPLE TIMES, REPLACED RIGHT ENGINE IAW CESSNA 560XL MM CHAPTER 71-00-01 & 71-00-03, OPS CHECKED GOOD.