Home > NRC Library > ADAMS Public Documents

Forwards RO-269/78-03 & revised LERs for RO-269/77-29 & RO-269/78-01,originally submitted on 780118 & 0203, respectively.

Accession Number: ML19308A752

Date Released: Monday, November 18, 2019

Package Contents

The following links on this page are to Adobe Portable Document Format (PDF) files. To obtain a free viewer for displaying this format, see our Plugins, Viewers, and Other Tools.

• ML19308A751 - Forwards RO-269/78-03 & revised LERs for RO-269/77-29 & RO-269/78-01,originally submitted on 780118 & 0203, respectively. (2 page(s), 3/23/1978)
• ML19308A753 - RO 269/78-03:on 780222,Unit 2 field flashing breaker failed to close.Cause of breaker malfunction not determined.Relays in breaker control circuit were replaced.Investigation to control breaker sys faults continues. (2 page(s), 3/23/1978)
• ML19308A754 - LER 78-003/03L-0:on 780222,Keowee Hydro Unit 2 failed to start.Caused by inoperable field flashing breaker.Breaker & control sys insp revealed no abnormalities.Breaker failed on three other occasions.Cause for breaker failure not known. (1 page(s), 3/23/1978)
• ML19308A760 - LER 77-029/03L-01:on 771219,Keowee Hydro Unit 2 failed to start on initiation from Oconee control room.Caused by failure of field flashing breaker on generator to close. Breaker verified operable.Investigation continuing. (1 page(s), 3/23/1978)
• ML19308A774 - LER 78-001/03L-02:on 780105,Keowee Hydro Unit 2 failed to start on initiation for Oconee control room.Caused by failure of field flashing breaker DB-26 to close.Breaker verified operable.Investigation continuing as of 780323. (1 page(s), 3/23/1978)