What was found
L/H FS280 CROSSBEAM CORRODED AT INBOARD TOP EDGE. (C-CHECK RO 10/22/2021) REPLACED LH FS280 CROSSBEAM REF DWG CC670-34010 REV. K, REO 670-53-11-612 REV.-- DATED 9-JUN-2011, CRJ900 SRM 51-42-06-001-001-A01, CRJ900 SRM 51-42-21-001-001-A01, CRJ900 SRM 51-42-22-001-001-A01, AND CRJ900 SRM 51-42-13-001-001-A01. COMPLIED WITH 51-900-1002-SKY. OPS CHECKS GOOD.LEAK CHECK GOOD.