As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MTC REQUEST: IN REFERENCE NRC 140 THIS NRC WAS ISSUED DUE CORROSION LEVEL 2 ON FRAME FS319.7 BTW STR 27 AND STR 26L AT MAIN AVIONICS COMPARMENT. (SM) TCI: 100-09. SUMMARY: CORROSION LEVEL 2. FRAME FS319.7 BTW STR 27 AND STR 26L AT MAIN AVIONICS COMPARMENT WAS REPAIRED PER SRM 53-00-06-201-004-A01 AND SRM 51-42-06-001-001-A01.