As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AT TOP OF DESCENT, #4 PROP LOW OIL LIGHT ILLUMINATED. THE ENGINE WAS SHUT DOWN IN FLIGHT AND THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INVESTIGATION REVEALED A LEAKING BLADE ROOT SEAL. THE PROPELLER ASSEMBLY WAS REPLACED FOR COMPANY CONVENIENCE.