As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE AIRCRAFT WAS DECLARED OUT OF SERVICE AFTER LANDING, BECAUSE OF AN UNUSUAL NOISE DURING SHUTDOWN. ANOTHER COMPANY AIRCRAFT WAS DISPATCHED TO COMPLETE THE TRANSPORT. NR 2 HYDRAULIC PUMP MAKING LOUD NOISE. REPLACED NR 2 HYDRAULIC PUMP. OPS CHECK GOOD, FLIGHT CHECK GOOD.