As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE CHECK, CORROSION WAS FOUND OUT OF LIMITS ON FLOOR SUPPORT STRUCTURE, STA 385 BL 36R. REMOVED CORROSION FROM FLOOR SUPPORT PER SRM 511006. REMOVED FLOOR SUPPORT PER SRM 513002. FABRICATED NEW SUPPORT FROM BAC 15064417 PER SAMPLE. TREATED PER SRM 511002. PRIMED PER MM 512002. INSTALLED PER SRM 513002.