As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATB - C HYD QTY DECREASED TO ZERO AND SYS PRESS LIGHT ILLUM. EICAS MSG C HYD SYS PRESS AND C HYD QTY DISPLAYED. FOUND NR 8 INBD SPOILER ACTUATOR LEAKING AT FILTER CASE. REPLACED O'RING IAW AMM 27-61-02-4. SERVICED C HYD SYS 12-12-01-3. LEAK CKD OK.