… Tel 412 458 8000 Fax 412 458 3574 Ajax[Registered copy] COOPER Coberra[Registered copy] ENERGY SERVICES … Our Ref: QCG-10446 (K-5fa42) Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555 … On September 26, 1997, Entergy Operations River Bend Station reported the failure of an adjusting screw, Cooper …