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Forwards LER 98-001-00 re failure to meet TS requirements for inoperable SDG 21.LER meets special rept requirements of STP TS 4.8.1.1.3 & 6.9.2 re valid failure of SDG 21 on 971228.

Accession Number: ML20203A970

Date Released: Tuesday, August 4, 2020

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• ML20203A966 - Forwards LER 98-001-00 re failure to meet TS requirements for inoperable SDG 21.LER meets special rept requirements of STP TS 4.8.1.1.3 & 6.9.2 re valid failure of SDG 21 on 971228. (2 page(s), 2/16/1998)
• ML20203A988 - LER 98-001-00:on 980115,failure to meet TS requirements for inoperable SDG 21 noted.Caused by failure of U3 operational amplifier in DG voltage regulator circuit.Replaced voltage regulator board for SDG 21 & complete post maint test. (4 page(s), 2/16/1998)