What was found
DURING MAINTENANCE VISIT FOUND CORROSION DAMAGE TO FLOORBEAM AT STA 1540 XCW 53 RT. DAMAGE EXCEEDED LIMITATIONS IAW DC-8 SRM. REMOVED DAMAGE, TREATED AREA IAW DC-8 SRM 51-1-8. BLENDED OUT CORROSION BY MECHANICAL METHOD. ORIGINAL THICKNESS .132 FINAL THICKNESS .102. RETURNED TO SERVICE IAW FAA APPROVED DER ENGINEERING SKETCH EO NR 99- 186 WITH APPROVED 8110-3 DATED 11/15/99. (CORROSION DAMAGE RECORDED IN EWA CORROSION PROGRAM).