What was found
DURING COMPLIANCE OF CRJ200 JOB CARD 53-160-604, "DETAILED INSPECTION OF THE FS 409.0 +128 FRAME AND CAP AFT ANGLES AT STR 21 LEFT AND RIGHT"; A CRACK WAS FOUND AT THE BOTTOM OF THE LBL 27 VERTICAL POST ON THE IB SIDE. THE CRACK ORIGINATE FROM THE BOTTOM OF THE POST BENEATH THE BOTTOM MOST RIVET AND MOVES UPWARD THROUGH THE FIRST RIVET CONTINUING UP TO THE SECOND RIVET. CRACK REPAIRED IAW REO 601R-53-41-0056 REV. F