As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY DECLARED, LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT. DURING DESCENT RT HYD SYS QTY INDICATED LOW & DECREASING. PERFORMED QRH & LANDED WITH RT HYD ENG & AUXILIARY PUMPS OFF. FOUND B NUT LEAKING AT LG MANIFOLD. TORQUED NUT IAW SP 20-30-02. PERFORMED LEAK CHECKS. SYS CHECKED NORMAL.