As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DESCENT AFTER TURNING ON AUX AND TRANS PUMPS, HYD QTY LOW LIGHT ILLUM AND QTY INDICATED 2 QTS. C/W QRH. FOUND LOOSE B NUT ON ELBOW FITTING TO FILTER MODULE ASSY LEFT TAIL COMPT. SECURED SAME AND REPLACED BOTH FILTERS ON MODULE ASSY. LEAK CKS OK.