As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SLOW LEAK OF HYDRAULIC SYSTEM-A AT F310 AFTER 2 HRS AT CRUISE. POM PROCEDURES FOLLOWED FOR LOSS OF SYSTEM-A. RT SLAT NR 6 DID NOT EXTEND WITH ALTERNATE FLAPS EXTENSION SWITCH. FOUND NR 6 SLAT ACTUATOR LEAKING. REPLACED ACT SERVICED HYD SYSTEM, OPERATION NORMAL.