What was found
DURING C2 CHECK, CORROSION FOUND ON SILL PLATE BETWEEN FRAMES 66 TO 68, -Z500, Y1589. REPLACED SILL PLATE IAW SRM 51-72-11 & DWG D53480020.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING C2 CHECK, CORROSION FOUND ON SILL PLATE BETWEEN FRAMES 66 TO 68, -Z500, Y1589. REPLACED SILL PLATE IAW SRM 51-72-11 & DWG D53480020.