As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYD Y RSVR LO LVL FOUND FWD UNION ON FIN 2577GM(DUAL DIST BRAKE VLV) LEAKING. REPLACED DAMAGED PACKING ON 2577GM REF MM 32-43-14, SERVICED YELLOW SYS BACK TO NORMAL, CHECKED ENG 2 HYD PUMP CASE DRAIN DPI AS PRECAUTIONARY AND IT IS NOT POPPED OUT. DRY MOTORD ENG 2 SUPPLYING YELLOW SYS NOMINAL PRESS WITH NO ISSUES. OPS CHECK GOOD OF 2577GM NO LEAKS NOTED. AC OK FOR SERVICE.