What was found
*CORROSION NOTED AROUND NUT PLATE AT APPROX AT FS288.00 AND LBL18 (MARKED) (C-CHECK RO 7/28/2021) REMOVED CORROSION FROM FITTING AT APPROX FS288.00 AND LBL18 BY BLENDING AND EVALUATED IAW CRJ900 SRM 53-21-43-101-001-A03. ORIGINAL THICKNESS IS 0.180" IAW DWG SH670-32148 REV A. REMAINING THICKNESS IS 0.142". MATERIAL LOSS 0.038". OUT OF LIMITS. REMOVED AND REPLACED THE FITTING REF DWG SH690-32120 REV. AL, CRJ900 SRM 51-42-10-001-001-A01, CRJ900 SRM 51-41-21-001-001-A01, AND CRJ900 SRM 51-23-00-001-001-A01. COMPLIED WITH 51-900-1002-SKY.