As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYD YELLOW SYS QUANTITY LOW. FOUND YELLOW ENGINE MOUNTED HYD PULSATION DAMPER O-RING LEAKING. REPLACED O-RING IAW AMM 29-13-54-400-801-A. ENGINE IDLE RUN. NO LEAKS NOTED. CYCLED FLIGHT CONTROLS. OPS CHECK GOOD. HYD FLUID SERVICED-RESERVOIR STILL HAD FLUID WHEN A/C BLOCKED IN. ACFT OK FOR SERVICE.