As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED ON DESCENT, THE NR 2 ENG SHUTDOWN. MX REMOVED AND REPLACED THE NR 2 ENG HYDRO MECHANICAL UNIT AND PERFORMED OPS AND LEAK CHECK IAW AMM 73-21-10-000-002 AND 73-21-10-400-002. THE OPS CHECK FLIGHT WAS SUCCESSFUL, REF LOG PAGE 464330.