What was found
INSPECTION FOUND R-1 DOOR THRESHOLD ATTACH ANGLES CORRODED AT STA 380-420. THE CORROSION WAS REMOVED IAW SRM 51-10-6. THE ATTACH ANGLES WERE REMOVED AND NEW ANGLES WERE INSTALLED IAW SRM 51-30-2, 51-10-2, 51-20-1, 51-40-3, FIGURE 1, AND MM 51-20-0.