As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON INTERCOSTAL AT FWD END OF AVIONICS BAY DOOR CUTOUT FRAME BS 364 S27R. REMOVED DAMAGED INTERCOSTAL IAW SRM 51-42-06-001-001-A01. LOCATED, DRILLED AND DEBURRED NEW INTERCOSTAL IAW SRM 51-40-06-001-001-A01, & 51-40-11-001-001-A01. INSTALLED NEW INTERCOSTAL IAW SRM 51-42-06-001-001-A01, 51-42-21-001-001-A01 AND DWG SH670-32075. REPAIR CLASSIFIED AS MAJOR.