As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED THAT THE NR 2 ENGINE FAILED ON DESCENT FROM FL 350, THE ENGINE RECOVERED AND FURTHER DESCENT, APPROACH AND LANDING WERE UNEVENTFUL ON TWO ENGINES. MAINTENANCE REMOVED AND REPLACED THE NR 2 ENGINE HYDRO MECHANICAL UNIT AND PERFORMED SATISFACTORY OPERATIONAL AND LEAK CHECKS IN ACCORDANCE WITH AMM 73-21-10 PB 401.