What was found
FLOOR SUPPORT STRINGER AT PAX DOOR SILL CORRODED AND MISSING NUT PLATES (MARKED). BLENDED AND REMOVED STRINGER AND AFT CUP BOTH FOUND TO BE OUT OF LIMITS PER CRJ 200 SRM 53-00-00. DRILLED UP NEW PAX DOOR SILL REF CRJ-200 SRM 51-42-21, AND CRJ-200 SRM 51-42-06. ACCOMPLISHED NUTPLATE MOD AND STARTED INSTALLING SILL ON A/C PER REO 601R-52-11-577, CRJ200 SRM 51-42-21, AND 51-42-06. INSTALLED UPPER ANGLES ON ASD SILL PLATE IAW CRJ 200 SRM 51-42-06. INSTALLED DOOR PROX SWITCH AND OPS CK GOOD IAW CRJ 200 AMM 52-70-04.