As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN AVIONICS, BAY INTERCOSTAL CORRODED BS 349 - 364, STR 27R. REMOVED CORROSION FOUND TO BE OUT OF LIMITS IAW SRM 53-0000-001-001. REMOVED INTERCOSTAL IAW SRM 51-42-06-001-001. REINSTALLED INTERCOSTAL IAW SRM 51-42-06 AND SRM 51-42-21. MECHANICALLY MEASURED RT INTERCOSTAL WITH MACT 3189 MINIMUM REMAINING THICKNESS IS .067", ORIGINAL IS .080". REMOVED IS .013". COMPLIED WITH EA-2015-333.