As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TRANSIT CHECK, A HYD LEAK WAS DETECTED IN THE HYD SYS B OF THE ENG DRIVEN PUMP. PERFORMED REVISION DETECTING HYD LEAK AT HYD SYS B OF THE ENG DRIVEN PUMP HYD PRESS LINE. THE HYD PRESS LINE WAS CLEANED & TIGHTENED IAW AMM 29-11-11. AS PRECAUTIONARY ACTION, HYD PRESS LINE & NIPPLE WERE REPLACED IAW AMM 71-00-02, TESTED CORRECT.