As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE OBSERVED HYDRAULIC QUANTITY LOSS TO AUX LEVEL. PERFORMED ALL APPLICABLE ABNORMAL PROCEDURES AND CONTINUED FLIGHT. LANDED WITHOUT INCIDENT. INSPECTED AIRCRAFT ON ARRIVAL. FOUND 2 LINES (1 FLEX, 1 HARD) CHAFFING AND SPRAYING UNDER PRESSURE IN AND AT RUDDER SYSTEM PUMP. INSTALLED FLEX LINES AS INTERIM REPAIR IAW 20-01-01 DMI NRE273.