As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT EXPERIENCED TOTAL LOSS OF NR 1 HYDRAULIC SYSTEM PRESSURE AND QUANTITY. REPLACED CRACKED NR 4 HYDRAULIC HARD LINE AT AIRBRAKE DISTRIBUTER WITH NEW. CLEANED AND CHECKED HYDRAULIC SYSTEM FILTERS. REPLACED NR 1 ENGINE DRIVEN HYDRAULIC PUMP WITH SERVICEABLE UNIT AS A PRECAUTIONARY MEASURE. BLED SYSTEM AND LEAKED CHECKED IAW FALCON 20 MM.