As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
VERTICAL STABILIZER WITH EVIDENCE OF HYDRAULIC LEAK IN BOTH YAW DAMPER SERVOS.(<P>YAW DAMPER SERVOS LH AND RH WERE REPLACED IAW AMM 22-21-02-414-016 REV 144. (OFF PART RH PN: 1540500-9 SN: 973BC, LH PN: 1536600-5 SN: 1856BA) INSTALLATION TEST WAS SATISFACTORY. NO LEAKS FOUND. GOOD FOR SERVICE.</P>)