What was found
STRINGER 27 AT BS 280 (ADJACENT TO BUTT STRAP) IS CORRODED, AND APPERS TO HAVE MISSING PIECES ALONG EDGE (C-CHECK) REMOVED AND INSTALLED NEW STRINGER 27 BETWEEN FS280 AND FS299. IAW SRM 51-42-21-001-001-A01, SRM 51-42-06-001-001-A01 AND DWG SH670-31630, REV K, SHEET 1.