As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL PANEL 533AB HAS SIGNS OF CORROSION ON PANEL ADJACENT TO SEAL; MARKED. / EVALUATED SIGNS OF CORROSION ON FUEL PANEL 533AB. NO DAMAGE LIMITS GIVEN FOR AREA OF PANEL AFFECTED. REPLACED LEFT WING FUEL PANEL 533AB WITH A SERVICABLE PANEL IAW B737 SRM 51-10-02-0G-0 STEP 9C AND IPC 28-11-1-02A. PANEL INSTALLED ON CUSTOMER CARD SA-M 565S ACCOMPLISHMENT