What was found
L/H CABIN FLOOR SUPPORT BEAM P/N: 601R35031-3 HAS CORROSION AT FS 589 TO FS 621 AND LBL 27. *********AIRCRAFT REMOVED FROM SERVICE*************************** BLENDED AREA OF CORROSION ON FLOOR SUPPORT BEAM P/N: 601R35031-3 AT FS 589-621 WITH ORIGINAL MATERIAL THICKNESS .050" AND A REMAINING THICKNESS OF .027" AND FOUND NOT WITHIN ALLOWABLE LIMITS IAW CRJ200 SRM 53-61-43 REV 38 & SRM 53-00-00 REV 38. REMOVED AND REPLACED L/H CABIN FLOOR SUPPORT BEAM FS 589 TO FS 621 LBL 27 P/N: 601R35031-3 IAW CRJ200 SRM 51-42-21 REV 38. RESTORED PROTECTIVE FINISH AT REPAIR AREA IAW CRJ200 SRM 51-25-06 REV 38. WORK COMPLETED ON AERSALE WO #003566 CARD #20261. CRS #4AER685B N433AW TT:46,956:36 TC:45,610