As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER T/O NR 2 HYD QTY WAS LOW. WHEN GEAR WAS SELECTED DOWN QUANTITY CONTINUED TO DECREASE NR 2 ENG HYD PUMP CAUTION LIGHT NEVER CAME ON. PTU FAIL CAME ON WHEN FLUID GOT NEAR ZERO . RETURNED TO FIELD. LANDING UNEVENTFUL. R & R THE PTU IAW MM 29-11-61-000-801 & 29-11-61-400-801 C/W BLEEDING OF THE NR 2 HYD SYST IAW MM 29-10-00-870-802 OPS CHECK & LEAK CHECK GOOD, C/W NR 2 HYD SYST FLUSH IAW MM 29-10-00-617-803. RETURNED TO SERVICE.