As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) CUSTOMER ADVISED US ABOUT A CORROSION PROBLEM THEY HAVE WITH THE WATER DOORS HAVING SB 215-4290 (INSTALLATION OF WATER DOOR STOP PROTECTIVE COVERS) INSTALLED DUE TO SALT WATER INGRESS BETWEEN COVER PLATES AND WATER DOOR STRUCTURE.