What was found
CLEAT ON FS310.00 FRAME AND STR20R INTERCOSTAL IS HEAVILY CORRODED. (C CHECK RO 5/23/22) NTERGRANULAR CORROSION NOTED ON CLEAT, DAMAGE 100% THROUGH PART AND IS ON MORE THAN ONE ELEMENT, MAKING CLEAT OUT OF LIMITS REF. CRJ900 SRM 53-21-23-101-002-A02 WHICH ALLOWS MAX. MATERIAL LOSS OF 10% AND DAMAGE NOT ALLOWED ON MORE THAN ONE ELEMENT. REPLACE CLEAT. REMOVED AND INSTALLED WITH NEW INTERCOSTAL CLEAT P/N SH670-32046-3 AT FS310.00 FRAME AND STRINGER 20RH IAW CRJ-900 SRM 51-42-06-001-001-A01, DWG SH670-31950 REV Y. COMPLIED WITH SKYWEST TASK CARD 51-900-1002-SKY. SEE CONTINUATION CARD FOR DETAILS.