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Forwards updated LERs 78-018/03L-1,78-037/03L-1,78-077/03L-1 & 78-084/03L-1.

Accession Number: ML19210D012

Date Released: Monday, August 12, 2019

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• ML19210D011 - Forwards updated LERs 78-018/03L-1,78-037/03L-1,78-077/03L-1 & 78-084/03L-1. (1 page(s), 11/14/1979)
• ML19210D015 - Updated LER 78-018/03L-1:on 780308,diesel generator IC failed to start.Caused by solenoid valves sticking due to corrosion particles.Air start solenoid valves cleaned & tested.Design change implemented. (3 page(s), 11/14/1979)
• ML19210D019 - Updated 78-084/03L-1:on 791114,monitoring sys declared inoperable after vacuum pump tripped.Caused by vibration in low flow relay unit due to broken wire.Relay & vacuum pump/motor replaced & tested. (1 page(s), 11/14/1979)
• ML19210D022 - Updated LER 78-037/03L-1:on 780613,vacuum pump kept tripping on low flow.Cause not stated.Vacuum pump replaced.Flow trip setpoint not adjusted.Design change to add second pump in parallel has been implemented. (1 page(s), 11/14/1979)
• ML19210D024 - Updated LER 78-077/03L-1:on 781011,inner stage relief valve on B air compressor lifted & stuck open.Caused by dessicant from air dryers.B air compressor replaced,dessicant removed & compressors blown out.Check valves installed. (1 page(s), 11/14/1979)