As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT HYD QTY LEAK DURING CRUISE, RIGHT DISENGAGED AND CENTER A/P OK. FOUND LEAKING HYD RETURN LINE IN LEFT PYLON. REPLACED SAME WITH AA PURCHASED PART. PRESSURIZED HYD, NO LEAKS. RAN FCC RIGHT TEST, NO FAULTS. OK FOR SERVICE. ETOPS CATEGORY ''B'': DIVERSION OR TURNBACK