What was found
THROUGH 10,000 FEET ON CLIMBOUT RIGHT ENGINE DUCT LEAK LIGHT, THREE CHIME AND AURAL WARNING OCCURRED. FOLLOWED QRH PROCEDURE, RIGHT ENGINE WAS SHUTDOWN IN FLIGHT. WARNINGS WENT AWAY AFTER APPROXIMATELY TWO MINUTES, LANDED SINGLE ENGINE AFTER RETURNING TO SFO. REINSTALLED COVER CUP ON DEICE PRESSURE REGULATOR, OPS CHECKS GOOD.