As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MULTIPLE HYD EICAS MSGS. FIRST, C HYD QTY FOLLOWED BY C HYD PRIM 2. THEN HYD SYS PRESS ALTN FLAPS AND GEAR EXTENSION PER QRH. #9 SPOILER ACTUATOR LEAKING. CENTER HYD SYSTEM SHOWS EMPTY. INSTALLED #9 SPOILER PCA REF 767 AMM 27-61-02-4. LEAK CHECKS AND OPS CHECKS GOOD.