What was found
CORROSION ON UPPER AND LOWER MLG HYD LINES SUPPORT PLATE (IN BK, LG EXT, LG RET) AT LH/RH WHEEL WELL AREA, APROX RBL 39/LBL 39. DUE TO EXCESSIVE CORROSION ON UPPER AND LOWER MLG HYD LINES SUPPORT PLATE (IN BK, LG EXT, LG RET) AT LH/RH WHEEL WELL AREA, APROX RBL 39/LBL 39 WERE REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01, SRM 51-41-04-01-001-A01 AND AMM 20-21-00-910-801-A01