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 DECENT WHEN FLAPS 15 WAS SELECTED, THE RT HYD QTY & PRESS DROPPED TO ZERO. FOUND HYD FLUID LEAKING AT RT THRUST REVERSER B NUT. TIGHTENED B NUT. OPERATIONAL & LEAK CHECKED GOOD IAW AMM 29-00-00.