As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) DRAINS LOCATED IN WING CENTRE SECTION AFT CAVITY AT BS 1241 WERE BLOCKED BY FOREIGN MATERIALS WITH EIGHT TO TEN LITRES OF WATER PRESENT. TIDE MARKS ALSO PRESENT ON SURROUNDING STRUCTURE INDICATING EVIDENCE OF GREATER QUANTITIES OF WATER RETENTION.