What was found
FLOORBEAM AT LBL27 HAS MULTIPLE SPOTS OF CORROSION FROM FS559.00+80 TO FS621.00 (C-CHECK RO 6/11/2021) BLENDED FLOORBEAM CORROSION AT LBL27 FS559.00 TO FS621.00 IAW REO 601R-53-00-005 REV B DATED 2011-01-06. CORROSION FOUND OUT OF LIMITS. REMOVED AND REPLACED LBL27 FLOOR BEAM IAW CRJ-200 SRM TASKS 51-40-11, 51-42-21 AND 51-42-22 REV. 38B DATED 25 NOV 2020. COMPLETED TASK CARD 51-900-1003-SKY AND ATTACHED COMPLETED FORM M-337. NO WEIGHT CHANGE REQUIRED. SEE CONTINUE CARD FOR WORK PERFORMED.