What was found
LH FS 923-977 LBL27 SEAT TRACK HAS CORROSION (C-CHECK RO 10/30/2021) EVALUATED CORROSION ON SEAT TRACK AT LBL27 BETWEEN F.S.923 AND F.S.977. SEAT TRACK P/N SH670-37412-3 IS FOUND TO BE OUT OF LIMITS DUE TO MORE THAN ONE TYPE OF DAMAGE AT MULTIPLE CROSS SECTIONS B-B PER CRJ 700 SRM 53-51-49-101-001-A01. REMOVED LH SEAT TRACK AT LBL27 FS923-FS977. REF CRJ-700 AMM 53-00-49-000-801-A03. INSTALLED NEW SEAT TRACK AT LBL27 BETWEEN FS 923 AND FS 977. REF CRJ700 AMM 53-00-49-400-801-A03 PARAGRAPH 4.C. CALIBRATED TOOL TUC9564 CAL DUE 30-NOV-21.