What was found
MAIN AVIONICS BAY FS 295.00 LOWER FRAME CORRODED BETWEEN STR 26L AND STR 26R. C-CHECK RO 10/9/2020. MAIN AVIONICS BAY FS 295.00 LOWER FRAME CORROSION FOUND TO BE ON MORE THAN ONE ELEMENT IN A GIVEN CROSS-SECTION ABOVE .700 FROM RADIUS OF FRAME AND IS FOUND TO BE OUT OF LIMITS, REF CRJ 900 SRM. PERFORMED REPAIR OF FS 295 FRAME FROM STGR 25L TO STGR 25R, REF CRJ900 SRM AND REO. NO LEAKS NOTED. COMPLIED WITH.