LER-1982-001, Forwards LER 82-001/01T-0 |
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CONNECTICUT YANKEE ATOMIC POWER COMPANY HADDAM NECK PLANT RR # 1. BOX 127E. EAST H AMPTON. CONN. 06424 January 22, 1982 U. S. Nuclear Regulatory Commission Region 1 Office of Inspection and Enforcement 631 Park Avenue D
King of Prussia, Pennsylvania 19406 g
Attn:
Mr. Ronald C. Haynes,
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i, i,g 40 m'
Director O. "FEB 3 793g Y'5E.';*'%rw O Reference: Facility Operating License No. DPR-61
' Uc'U R Docket No. 50-213 J-
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Reportable Occurrence LER 82-1/lT
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, ~I p' Letter, R. H. Graves to R. C. Haynes, dated January 13, 1982 Preliminary Report. LER 82-1/lP
Dear Mr. Haynes:
This correspondence forward the Licensee Event Report for Reportable Occurrence LER 82-1/lT, required to be submitted within fourteen days, putauant to the requirements of Connecticut Yankee Technical Specifications, Section 6.9.2.a.(9).
An additional three copies of the report are enclosed.
Very truly yours, i
(t &
Richard H. Graves Station Superintendent RHG:SIF/mts Attachment LER 82-1/lT cc:
Dir., Office of Inspection and Enforcement, Washington, D. C.
(40)
Dir., Office of Management Info. & Program Control, Wash., D. C.
(3)
USNRC c/o Document Management Branch, Washington, D. C.
(1) 8202040101 920122
/6 PDR ADOCK 05000213
- y S
PDR
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| 05000213/LER-1982-001, Forwards LER 82-001/01T-0 | Forwards LER 82-001/01T-0 | | | 05000213/LER-1982-001-01, /01T-0:on 820112,during Engineering Evaluation of Battery Charger Circuit,Observed Both a & B Battery Chargers Powered by Emergency Diesel Generator EG2B.Caused by Original Design.Plant Design Change Initiated | /01T-0:on 820112,during Engineering Evaluation of Battery Charger Circuit,Observed Both a & B Battery Chargers Powered by Emergency Diesel Generator EG2B.Caused by Original Design.Plant Design Change Initiated | | | 05000213/LER-1982-002, Forwards LER 82-002/03L-0 | Forwards LER 82-002/03L-0 | | | 05000213/LER-1982-002-03, /03L-0:on 820120,loop 2 Steam Generator Feedwater Flow Transmitter Failed High.Caused by Failed 400 Cycle Inverter.Inverter Replaced & Feedwater Flow Transmitter Returned to Svc | /03L-0:on 820120,loop 2 Steam Generator Feedwater Flow Transmitter Failed High.Caused by Failed 400 Cycle Inverter.Inverter Replaced & Feedwater Flow Transmitter Returned to Svc | | | 05000213/LER-1982-003, Forwards LER 82-003/01T-0 | Forwards LER 82-003/01T-0 | | | 05000213/LER-1982-003-01, /01T-0:on 820423,during Routine Surveillance Testing of Msiv,Valve 1 Did Not Move Required Amount to Meet Acceptance Criteria.Valve Packing Gland Adjusted & Valve Tested Successfully | /01T-0:on 820423,during Routine Surveillance Testing of Msiv,Valve 1 Did Not Move Required Amount to Meet Acceptance Criteria.Valve Packing Gland Adjusted & Valve Tested Successfully | | | 05000213/LER-1982-004-01, /01T-0:on 820606,during Shutdown,Main Steam Trip Isolation Valve 1 Disassembled to Determine Why Valve Would Not Cycle When Cooled Down.Caused by Misaligned Valve Disc Due to Warped Tail Link | /01T-0:on 820606,during Shutdown,Main Steam Trip Isolation Valve 1 Disassembled to Determine Why Valve Would Not Cycle When Cooled Down.Caused by Misaligned Valve Disc Due to Warped Tail Link | | | 05000213/LER-1982-004, Forwards LER 82-004/01T-0 | Forwards LER 82-004/01T-0 | | | 05000213/LER-1982-005-03, /03L-0:on 820603,during Test of Containment Air Recirculation Fan Dampers,Some Louvers of Bypass Damper on One Fan Would Not Respond to Control Signals.Caused by Disconnected Control Linkage.Linkage Reconnected | /03L-0:on 820603,during Test of Containment Air Recirculation Fan Dampers,Some Louvers of Bypass Damper on One Fan Would Not Respond to Control Signals.Caused by Disconnected Control Linkage.Linkage Reconnected | | | 05000213/LER-1982-005, Forwards LER 82-005/03L-0 | Forwards LER 82-005/03L-0 | | | 05000213/LER-1982-006-03, /03L-0:on 820919,emergency Dc Battery Bank B,Cell 42,found Leaking Electrolyte Through Seam Crack.Insp Revealed 11 More Batteries W/Cracks in Same Location.Caused by Cell Plate Expansion Against Jar & Battery Age | /03L-0:on 820919,emergency Dc Battery Bank B,Cell 42,found Leaking Electrolyte Through Seam Crack.Insp Revealed 11 More Batteries W/Cracks in Same Location.Caused by Cell Plate Expansion Against Jar & Battery Age | | | 05000213/LER-1982-006, Forwards LER 82-006/03L-0 | Forwards LER 82-006/03L-0 | | | 05000213/LER-1982-007-03, /03L-0:on 820927,operator Received Rod Drive Slave Cycler Failure/Rod Stop Alarm,Rendering All Bank B Subgroups Inoperable.Caused by Master Cycler Relay Hanging Up Due to Poor Relay Contact.Mercury Wetted Contacts Rewet | /03L-0:on 820927,operator Received Rod Drive Slave Cycler Failure/Rod Stop Alarm,Rendering All Bank B Subgroups Inoperable.Caused by Master Cycler Relay Hanging Up Due to Poor Relay Contact.Mercury Wetted Contacts Rewet | | | 05000213/LER-1982-007, Forwards LER 82-007/03L-0 | Forwards LER 82-007/03L-0 | |
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