What was found
"LH FLOOR SILL IS CORRODED AT FS 565. REMOVED CORROSION AT FS 565 IAW CRJ900 SRM 53-00-45-201-001-A01 STEPS 6 A-E. PERFORMED UT THICKNESS OF LH FLOOR SILL FS565 REWORKED AREA IAW CRJ 900 NDTM PART 1 51-20-004-270-A01 REV 36 DATED 2/8/22. FOUND LOWEST REMAINING THICKNESS TO BE 0.049"" OR GREATER, MARKED ON PART. BLENDED AREA ON FLOOR SILL P/N SH690-32174-5 AT FS 565 ORIGINAL MAT'L THK .050"" REMAINING MAT'L THK .049"" MAT'L LOSS .001 FOUND TO WITHIN LIMITS IAW CRJ900 SRM 53-00-45-201-001-A01 & 53-31-45-001-001-A02"