What was found
LEFT WING OUTBOARD FLAP CENTER HINGE ARM BONDING WIRES AND ATTACHING HARDWARE HAVE SIGNS OF CORROSION. C-CHECK RO 1/5/2021. REMOVED AND INSTALLED NEW BONDING JUMPER (1 EA) ON THE LT WING OUTBOARD FLAP CENTER HINGE ARM USING NEW BOLTS (2 EA), NUTS (2 EA), LOCK WASHERS (2 EA) AND FLAT WASHERS (6 EA), REF CRJ700 AMM 51-80-00-910-804 (A01). COMPLIED WITH THE BONDING TEST OF THE LT WING OUTBOARD FLAP CENTER HINGE ARM BONDING JUMPER, REF CRJ700 AMM 51-80-00-760-801 (A01). BONDING TEST GOOD. BONDING TESTER TUC5893, CAL DUE 31-JAN-21.