What was found
(CAN) AN A INSPECTION WAS BEING ACCOMPLISHED ON THE AIRCRAFT. DURING THIS INSPECTION, A CRACK WAS FOUND ON THE AFT VERTICAL STABILIZER ATTACH FITTING. THE CRACK WAS CONFIRMED USING EDDY CURRENT INSPECTION METHOD. AFTER THE FITTING WAS REMOVED FROM THE STABILIZER A FURTHER EDDY CURRENT INSPECTION INDICATED A TOTAL OF 5 DIFFERENT CRACKS IN THE FITTING. T HE CRACKS ALL EXTEND GRAIN-WISE BETWEEN FASTENER HOLES ON BOTH FLANGES OF THE FITTING. THE FITTING WAS REPLACED WITH A NEW FITTING. CONAIR WILL BE CONDUCTING A FLEET CAMPAIGN TO INSPECT THE AFT VERTICAL STABILIZER ATTACH FITTING TO DETERMINE THE EXTENT OF THE PROBLEM AND RECTIFY (I.E. REPLACE) DEFECTIVE FITTINGS.