As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW REPORTED THAT THE RT ENGINE DRIVEN HYDRAULIC PUMP LOW PRESSURE LIGHT CAME ON IN FLIGHT. TROUBLESHOT AND IDENTIFIED THE RT ENGINE DRIVEN HYDRAULIC PUMP AS DEFECTIVE. REMOVED PUMP, AND INSTALLED AN O/H PUMP. LEAK AND OPS CHECKED SATISFACTORY.