What was found
DURING 2S CHECK - CORROSION FOUND ON LT LOWER SILL BETWEEN FRAMES 66 TO 68, S23L. REPLACED LT LOWER SILL IAW SRM 51-72-11 & EA 504353.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING 2S CHECK - CORROSION FOUND ON LT LOWER SILL BETWEEN FRAMES 66 TO 68, S23L. REPLACED LT LOWER SILL IAW SRM 51-72-11 & EA 504353.