What was found
BACKUP DIAPHRAGM HAS CORROSION ON UPPER FLANGE BENEATH NUTPLATE @ APPROX FS581.00 - FS597.00 BETWEEN STGR22L & STGR23L (C-CHECK RO 5/6/2024) REMOVED CORROSION ON BACKUP DIAPHRAGM ON UPPER FLANGE @ FS581.00 - FS597.00 BETWEEN STGR22L & STGR23L WITH NO NOTED MATERIAL LOSS PER CRJ700 SRM 51-21-06-001-001-A01. INSTALLED NEW BACKUP DIAPHRAGM P/N SH670-33084-1 @ FS581.00 - FS597.00 & STGR23L PER REO 670-53-31-867, REV --, 2024-04-16 AND CRJ700 SRMS 51-42-06-001-001-A01 AND 51-42-21-001-001-A01 AND COMPLIED WITH TASK CARD 51-900-1002-SKY.PRESSURE LEAK CHECK GOOD