What was found
R/H BULKHEAD WEB AT FS 280.0 CORRODED ON AFT SIDE AT FLOOR LEVEL COMMON TO CROSSBEAM (C-CHECK RO 9/8/2021) REMOVED AND REPLACED RH BULKHEAD LOWER WEB FROM FS280 REF. CRJ-900 SRM, 51-42-06-001-001-A01, CRJ-900 SRM, 51-42-13-001-001-A01, AND CRJ-900 SRM, 53-11-10-201-004-A01. COMPLIED WITH TASK CARD 51-900-1002-SKY, SEE CONTINUE CARD FOR FURTHER DETAILS.