What was found
DOOR 4R FLOOR STRUCTURE UNDER SILL PANEL 272LF 5 AFT OF FRAME 75, 1960 FOUND WITH 1 AREA OF CORROSION. FLOOR SILL WEB BLENDED IAW SRM 51-74-00, REV 89 NO DAMAGE LIMITS AVAILABLE. PART REPLACEMENT C/O IAW SRM 51-42-11, 54-44-11 AND 51-74-00, REV 89 IAW WITH DWG F53479046005.