What was found
* R/H SIDE SEAT RAIL SECTION AT APPROX. FS 409.00 + 16 TO FS 409.00 + 112 HAS CORROSION SEVERAL PLACES. (C-CHECK RO 12-4-2021) BLENDED OUT CORROSION ON R/H SIDE SEAT RAIL SECTION AT APPROX. FS 409.00 + 16 TO FS 409.00 + 112 IAW CRJ-200 SRM 51-21-06. / ORIGINAL THICKNESS AT BLENDED LOCATION "U" IS 0.370" WITH REMAINING THICKNESS 0.345" AND MATERIAL LOSS 0.025", MAX. PERMISSIBLE IS 0.020", THEREFORE FOUND TO BE OUT OF LIMITS. REF: CRJ-200 SRM 53-21-49 AND MHIRJ STANDAR CM0560002 REV -A / REMOVED AND REPLACED RH SIDE SEAT RAIL FROM FS.409.00+16 TO FS.409.00+112 REF CRJ200 AMM 53-01-11-400-802.