What was found
FS 349 FRAME IS CORRODED FROM STR 25L TO 26R. REMOVED LOWER FRAME SECTOR PN 601R32005-69 IAW SRM 51-42-06, 51-42-21. INSTALLED NEW SERVICEABLE 601R32005-69 IAW SRM 51-42-06, 51-42-21. LOWER FRAME SECTOR PN 601R32005-69 IS OUT OF LIMITS. CORROSION OVERLAPS 2 ELEMENTS IAW SRM 53-00-00, FIG 102. ENGINEERING OR REPLACEMENT REQUIRED. DRILLED/LOCATED NEW SERVICEABLE 601R32005-69 IAW SRM 51-40-06.