What was found
RIGHT ENGINE OIL STRAINER CLOG LIGHT ILLUMINATED AT FLIGHT LEVEL 370. LIGHT STAYED ON AT IDLE. CREW SHUT DOWN RIGHT HAND ENGINE. ENGINE WINDMILLED FOR 27 MINUTES WITH NORMAL OIL PRESSURE AND QUANTITY. RETURNED TO TPA AND LANDED WITHOUT INCIDENT. REPLACED RIGHT HAND ENGINE OIL FILTER. FILTER CHECKED CLEAN. PLACARDED RIGHT ENGINE OIL STRAINER INDICATION INOPERATIVE. SYSTEM GROUND CHECKED NORMAL OPERATION.