01451oam 2200397 450 991071517560332120201214153737.0(CKB)5470000002508256(OCoLC)1226424455(EXLCZ)99547000000250825620201210g19861988 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierBroken inner-external closure springs on Atwood & Morrill main steam isolation valvesWashington, D.C. :United States Nuclear Regulatory Commission, Office of Inspection and Enforcement,1986; 1988.1 online resource (2 volumes)Information notice ;no. 86-81"September 15, 1986."Supplement dated January 11, 1988.Nuclear power plantsPipingValvesUnited StatesBoiling water reactorsUnited StatesSprings (Mechanism)DefectsNuclear power plantsPipingValvesBoiling water reactorsSprings (Mechanism)Defects.U.S. Nuclear Regulatory Commission.Office of Inspection and Enforcement,GPOGPOGPOBOOK9910715175603321Broken inner-external closure springs on Atwood & Morrill main steam isolation valves3267282UNINA