What was found
CORROSION DAMAGE LOCATED ON R/H FLOOR SILL WEB AT FS 349 TO FS 349+12.5" AND RBL 42 TO RBL 44. DIMENSIONS ARE: (P1) = FS 349+1" - FS 349+6" & RBL 42 = 5.40"L X 2.80"W X .019"D (P2) = FS 349+9 - FS 349+12.5" & RBL 42 = 3.60"L X 1.80"W X .003"D ***************AIRCRAFT REMOVED FROM SERVICE*********************** BLENDED BOTH AREAS OF DAMAGE TO A SMOOTH CONTOUR IAW CRJ200 SRM 51-21-06 REV 38. FLOOR SILL IS 7075-T6 .063". (P2) IS WITHIN ALLOWABLE LIMITS AND (P1) IS NOT WITHIN ALLOWABLE LIMITS IAW CRJ200 SRM 53-00-00 REV 38. HFEC PERFORMED AT BOTH AREAS WITH NO INDICATIONS. RESTORED PROTECTIVE FINISH AT (P2) IAW CRJ200 SRM 51-25-06 REV 38. APPLIED CIC TO AREA (P2) IAW CRJ200 SRM 51-21-11 REV 38. FABRICATED REPAIR DOUBLER OUT OF 7075-T6 .050" 5.40"L X 2.80"W IAW ASAP EA #01770 REV B DATED 12- 09-2021. INSTALLED REPAIR DOUBLER AT FS 349 TO FS 349+6 AND RBL 41 TO RBL 44. RESTORED PROTECTIVE FINISH AT (P1). RESTORED CIC AT (P1). ALL WORK PERFORMED AT (P1) WITHIN ALLOWABLE LIMITS IAW ASAP EA #01770 REV B DATED 12/09/2021. WORK COMPLETED ON AERSALE WO #003486 CARD #50040 CRS #4AER685B. N435AW TT: 39,961 TC:38,675