What was found
CORROSION DETECTED ON LT INBOARD FLAP, OUTBOARD ACTUATOR, TORQUE TUBE SUPPORT (BEARING HOUSING), RED OXIDE DUST EXITING HOUSING, AT APPROXIMATELY WS 97.45, FLAGGED. C-CHECK RO 12/04/2020. REMOVED TORQUE TUBE WITH CORRODED BEARING HOUSING, REF CRJ700 AMM. INSTALLED NEW TORQUE TUBE P/N: 5911360-2 ON LT INBOARD FLAP, OUTBOARD ACTUATOR, TORQUE TUBE SUPPORT (BEARING HOUSING) WERE FLAGGED, REF CRJ700 AMM.