As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1502 - RDU-PHL - PRIOR TO DESCENT INTO PHK. RIGHT HYDRAULIC QTY WENT TO 4 QUARTS. SECURED BOTH PUMPS UNITL JUST PRIOR TO LANDING. WHEN PUMPS WERE PLACED ON, RIGHT SIDE PRESSURE WENT TO ZERO. LATER, LEFT SIDE WENT TO ZERO WHEN SLATS WERE SELECTED. REPLACED PRESSURE LINE TO PTU CONTROL VALVE. (M)