As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION LOWER SILL LOCATED AT FR 68 IN PASSENGER CABIN (1 EA), REPLACED LOWER SILL LOCATED BTW FR66 TO FR68 PASSENGER LT CABIN AS PER SRM 51-72-11 AND DWG D53480505. RELEASE DATE: 09-APR -19. ISSUE DG AND DWG D53470150 RELEASE DATE: 11-FEB-04. ISSUE: U AND ERA 579677-14 REV. ORIGINAL.