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LER 75-005:on 750401,during testing of emergency ventilation sys,reactor protection sys solenoid valve SN-831630 failed to open.Caused by broken stem & metal oxide buildup.Valves repaired.W/750414 ltr.

Accession Number: ML20090E038

Date Released: Monday, April 13, 2020

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• ML20090E036 - LER 75-005:on 750401,during testing of emergency ventilation sys,reactor protection sys solenoid valve SN-831630 failed to open.Caused by broken stem & metal oxide buildup.Valves repaired.W/750414 ltr. (2 page(s), 4/14/1975)
• ML20090E041 - AO 50-220/75-05:on 750401,during routine surveillance testing,emergency vent sys failed to function when sys inlet ventilation valve BV 202-36 failed to open.Caused by broken stem in solenoid valve.Solenoids will be replaced. (2 page(s), 4/2/1975)