What was found
CHAFE ON INNER FUSELAGE SKIN NOTED NEAR STRINGER 22L BETWEEN FS394 AND FS409.00. (C-CHECK) RO:3/29/2020BLENDED OUT GOUGED AREA ON STGR 22L BETWEEN FS 394 - FS409. REF: CRJ700 SRM 51-12-00-001-001-A01. / MATERIAL DID NOT DECREASE SKIN BELOW MANUFACTURE TOLERANCES. ORIGINAL MATERIAL THICKNESS OF FUSELAGE SKIN / BETWEEN FS394 AND FS409.00 STGR 22L IN NON CHEM MILLED AREA IS .061" REF CRJ 700 SRM. REMAINING MATERIAL THICKNESS IN NON CHEM MILLED IS .063" REF NDT REPORT. ORIGINAL MATERIAL THICKNESS OF FUSELAGE SKIN BETWEEN FS394 AND FS409.00 STGR 22L IN CHEM MILLED AREA IS .047" REF CRJ 700 SRM. REMAINING MATERIAL THICKNESS IN CHEM MILLED AREA IS .050" REF NDT REPAIR. RESTORED PROTECTIVE FINISH TO REWORKED AREA AS REQ'D REF. CRJ700 SRM.