As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT RT HYDRAULIC QUANTITY DECREASED FROM 1.03 TO ZERO, QUANTITY STABLE WITH EDP DEPRESSURIZED AND AC PUMP OFF. RT HYDRAULIC QUANTITY READS ZERO. DURING MAINTENANCE INSPECTION WAS FOUND HYDRAULIC LEAK FROM RT AC PUMP PRESSURE. LINE., ADJUSTED PRESSURE LINE IAW AMM 20-10-09 PAG 401, CHECKED HYDRAULIC SYSTEM BY LEAKS WITH ENGINE RUN UP. NO EVIDENCE OF LEAK WAS FOUND IAW AMM 29-11-00.