What was found
CORROSION ON SEAT RAILS RBL9 (2 EA) FROM FS349.00 TO FS477.00 AND LBL9 (1EA) FROM FS379.00 TO FS477.00 AT PAX CABIN. SEAT RAILS RBL9 (2EA) FROM FS349.00 TO FS477.00 AND LBL9 (1EA) FROM FS379.00 TO FS477.00 AT PAX CABIN WERE EVALUATED ARE OUT OF LIMITS PER CRJ900 SRM 53-21-49-101-001-A01, NEW SEAT RAILS RBL9 (2EA) FROM FS349.00 TO FS477.00 AND LBL9 (1EA) FROM FS379.00 TO FS477.00 AT PAX CABIN WERE ADJUSTED, DRILLED AND COUNTERSUNK PER SRM 51-40-11-001-001-A01 AND WERE REPLACED PER AMM 53-00-49-400-801-A12.