As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WATER DETECTED IN RUDDER BETWEEN SCREW 6 AND 7 FROM TOP OF TRAILING EDGE DOWNWARD, AREA OF INDICATION IS 7" X 2.5" FORWARD OF THE TRAILING EDGE. COMPLIED WITH TD/80274197/007/2017A AND EA A2-55R-33666. REPAIR RUDDER BETWEEN SCREWS 6 AND 7 FROM TOP TRAILING EDGE DOWNWARD.