As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT ENGINE DUCT LEAK LIGHT ILLUMINATED ONE MINUTE AFTER TAKEOFF. RIGHT ENGINE WAS SHUT DOWN PER QRH PROCEDURE. RETURNED TO PSP AIRPORT. REPLACED RIGHT DEICE LINE PRESSURE REGULATOR VALVE. RAN RIGHT ENGINE FOR SEVERAL MINUTES AT TAKEOFF SETTINGS. OPS CHECKS GOOD. P/N ON: 38E96-6A, S/N: RF-2273, S/N OFF: B-2266.