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Forwards LER 99-004-00 re ESFAs that occurred when RPS motor generator tripped.Rept is submitted IAW provisions of 10CFR50.73(a)(2)(iv) as event of condition that resulted in automatic actuation of ESF.

Accession Number: ML18039A809

Date Released: Thursday, September 27, 2018

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• ML18039A808 - Forwards LER 99-004-00 re ESFAs that occurred when RPS motor generator tripped.Rept is submitted IAW provisions of 10CFR50.73(a)(2)(iv) as event of condition that resulted in automatic actuation of ESF. (4 page(s), 6/28/1999)
• ML18039A810 - LER 99-004-00:on 990530,safety features sys actuations occurred due to RPS trip.Caused by failure of MG set AC drive motor starter contractor coil.Licensee placed 2B RPS bus on alternate feed & half scram was reset. (10 page(s), 6/28/1999)