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Information Notice No. 83-42: Reactor Mode Switch Malfunctions

… is required at this time. Description of Circumstances: Susquehanna 1 Events: On March 22, 1983, Susquehanna Unit 1 … position, the group 1 isolation signal from low main steam line pressure (850 psig) should be bypassed. When the … in imprecise operation of the cam followers. General Electric was contacted and confirmed that problems existed …

Bulletin 81-01, Revision 1: Surveillance of Mechanical Snubbers

… Bulletin 81-01, Revision 1: Surveillance of Mechanical Snubbers … of Pacific Scientific Company mechanical snubbers on main steam and feedwater systems at Turkey Point Plant Units 3 … Unit 1; Virgil C. Summer Nuclear Station, Unit 1; and Susquehanna Steam Electric Station, Unit 1 shall perform the …