What was found
LEFT WING OUTBOARD FLAP, OUTBOARD HINGE ARM ACTUATOR SPRING HAS SIGNS OF CORROSION. C-CHECK RO 1/5/2021. REMOVED AND INSTALLED NEW, P/N 600-10246-1, BUTE DOOR SPRING ACTUATOR ASSEMBLY USING NEW COTTER PINS (2 EA) AT LEFT WING OUTBOARD FLAP, OUTBOARD HINGE ARM ON LT FLAP HINGE BOX AT WS 264, REF CRJ700 AMM 27-54-25-000-801 (A01) AND AMM 27-54-25-400-801 (A01). OPERATIONS TEST GOOD. TORQUE WRENCH TUC5656, CAL DUE 31-MAY-21.