What was found
ON THE PRESSURE FLOOR MODIFICATION, AN EXISTING FASTENER HOLE HAS SHORT ED. AT FS792, RBL36, THE HOLE COMMON TO THE DIAPHRAGM LOWER FLANGE, THE I/B HOLE AT FS792, RBL36 BEAM AND THE LOWER STRAP (C-CHECK RO 02/01/2026)REMOVED DIAPHRAGM AT RBL36 FS792 TO FOM. PERFORMED REPAIR TO DIAPHRAGM AT FS792 RBL36 REF ALL STEPS OF REO 690-53-41-572 REV--, DATED 2025-12-19. INSTALLED DIAPHRAGM AT RBL36 FS792 REF CRJ-900 SRM 51-42-21-001-001-A01, CRJ-900 SRM 51-42-22-001-001-A01, ADN DWG SH690-36153 REV-A. COMPLIED WITH TASK CARD 51-900-1002-SKY.