As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WING FUEL ACCESS PANEL 521BT HAS NUMEROUS COUNTERSINKS WITH PITTING CORROSION. REMOVED CORROSION WITHIN MAX ALLOWABLE DEPTH OF COUNTERSINK. EVIDENCE OF CORROSION STILL REMAINS. OUT OF LIMITS REF SRM 57-10-35, REPAIR -03 AND SRM 57-10-35, REPAIR -04 DUE TO HAVING 2 CONSECUTIVE HOLES OUT OF LIMITS. ORDERED AND RECEIVED NEW FUEL PANEL 521BT, PN:85713034-001.