As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYD PUMP FAILED IN FLIGHT. PILOT MADE A RUN-ON LANDING AND SHUTDOWN WITHOUT DAMAGE. HYD PUMP WAS R & R. FOUND SPLINES ON PUMP DRIVE COUPLING WORN. REPLACED HYD PUMP WITH NEW 0.0 TSN PUMP NR 704A34310006, SN 81244262 AND SERVICEABLE DRIVE COUPLING.