LER-1983-001, Forwards LER 83-001/03L-0 |
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l Omaha Public Power District 1623 Harney Omaha, Nebraska 68102 402/536 4000 February 18, 1983 FC-090-83 b3 g=- g\\r '
Mr. W. C. Seidle, Chief
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Reactor Projects-Branch 2 U. S. Nuclear Regulatory Commission Region IV F8 2 2 S83 611 Ryan Plaza Drive, Suite 1000
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Arlington, Texas 76011 L \\_ _
Subject: Fort Calhoun Station Unit No. 1 1.
Docket No. 05000285
Dear Mr. Seidle:
In.accordance with the Fort Calhoun Station's Technical Specifications, the Omaha Public Power District, as holder of Facility Operating License DPR-40, submits three copies of Licensee Event Report 83-001 (regarding Technical Specification 2.1.6(1)) to satisfy requirements of Regulatory Guide 1.16.
Sincerely, fW 4
ones Division Manager Production Operations WCJ/TLP/jmm Enclosures cc: Director, Office of Management Information & Program Control V. S. Nuclear Regulatory Commission Washington, D.C.
20555 (3)
Director, Office of Inspection
& Enforcement U. S. Nuclear Regulatory Commission Washington, D.C.
20555 (30)
Institute of Nuclear Power Operations h
Mr. R. L. Andrews [k
SARC Chairman PRC Chairman Fort Calhoun File (2)
Mr. L. A. Yandell, NRC Senior Resident Inspector
~~602280378 030218 Employment with Equal Opportunity BPDR ADOCK 05000285 maielremale PDR S
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| 05000285/LER-1983-001-03, /03L-0:on 830119,during Refueling Outage,Setpoint for One Pressurizer Code Safety Relief Valve Found Beyond Tech Specs.Caused by Instrument Drift.Valve Readjusted | /03L-0:on 830119,during Refueling Outage,Setpoint for One Pressurizer Code Safety Relief Valve Found Beyond Tech Specs.Caused by Instrument Drift.Valve Readjusted | | | 05000285/LER-1983-001, Forwards LER 83-001/03L-0 | Forwards LER 83-001/03L-0 | | | 05000000/LER-1983-002-03, /03L-0:on 830307,safety-related Shock Suppressor Safety Injection Sys 134 Removed to Accommodate Maint on Control Element Drive Mechanism & Not Replaced within 72 H After Core Reloading Begun.Snubber Replaced | /03L-0:on 830307,safety-related Shock Suppressor Safety Injection Sys 134 Removed to Accommodate Maint on Control Element Drive Mechanism & Not Replaced within 72 H After Core Reloading Begun.Snubber Replaced | | | 05000285/LER-1983-003-01, /01T-0:on 830405,Tech Spec Heatup & Cooldown Curves in Use Since Dec 1979 Found to Be 12 Degrees Nonconservative.Caused by Baseline Curve Info Supplied in 1979 Being Inadequately Defined.Curve Being Revised | /01T-0:on 830405,Tech Spec Heatup & Cooldown Curves in Use Since Dec 1979 Found to Be 12 Degrees Nonconservative.Caused by Baseline Curve Info Supplied in 1979 Being Inadequately Defined.Curve Being Revised | | | 05000285/LER-1983-003, Forwards LER 83-003/01T-0 | Forwards LER 83-003/01T-0 | | | 05000285/LER-1983-004-03, Pressure Switches A/PC-742-1 & A/PC-742-2 Found Initiating/Actuating Above 5 Psig.Caused by Instrument Drift.Switches Recalibr | Pressure Switches A/PC-742-1 & A/PC-742-2 Found Initiating/Actuating Above 5 Psig.Caused by Instrument Drift.Switches Recalibr | | | 05000285/LER-1983-005-03, /03L-0:on 830709,channel B of Reactor Protective Sys Axial Power Distribution Negative Setpoint Observed Fluctuating in Nonconservative Direction.Caused by Failed Bell & Howell Potentiometer Module 384612-001 | /03L-0:on 830709,channel B of Reactor Protective Sys Axial Power Distribution Negative Setpoint Observed Fluctuating in Nonconservative Direction.Caused by Failed Bell & Howell Potentiometer Module 384612-001 | | | 05000285/LER-1983-006-03, /03L-0:on 830714,reactor Protective Sys Channel D Axial Shape Index Internal Tilt Pretrip Setpoint Drifted Out of Spec.Caused by Faulty Bell & Howell Dual Potentiometer Module.Module Replaced | /03L-0:on 830714,reactor Protective Sys Channel D Axial Shape Index Internal Tilt Pretrip Setpoint Drifted Out of Spec.Caused by Faulty Bell & Howell Dual Potentiometer Module.Module Replaced | | | 05000285/LER-1983-007-03, /03L-0:on 830722,reactor Protective Sys Channel B Axial Power Distribution Positive Trip Setpoint Found Out of Spec Tolerance in Nonconservative Direction.Caused by Failure of Dual Potentiometer Module | /03L-0:on 830722,reactor Protective Sys Channel B Axial Power Distribution Positive Trip Setpoint Found Out of Spec Tolerance in Nonconservative Direction.Caused by Failure of Dual Potentiometer Module | | | 05000285/LER-1983-008-03, Diesel Generator DG-2 Failed to Flash & Control Room Had No Indication That Diesel Up to Operating Speed.Caused by Failure of Modified Panalarm,Model 70-PCD-25 | Diesel Generator DG-2 Failed to Flash & Control Room Had No Indication That Diesel Up to Operating Speed.Caused by Failure of Modified Panalarm,Model 70-PCD-25 | | | 05000285/LER-1983-009-03, /03L-0:on 831012,channel a Control Room Indicator Associated W/Reactor Coolant Loop RC-2A Flow Failed High. Caused by Intermittently Failing Transmitter Due to Bad Amplifier.Transmitter Replaced | /03L-0:on 831012,channel a Control Room Indicator Associated W/Reactor Coolant Loop RC-2A Flow Failed High. Caused by Intermittently Failing Transmitter Due to Bad Amplifier.Transmitter Replaced | | | 05000285/LER-1983-010-03, /03L-0:on 831031,during Surveillance Test ST-ESF-5,Bliss Eagle Timer S1-1A on Sequencer S1-2 Failed to Time Out within Prescribed Limit.Caused by Dirty Operating Mechanism.Timer Replaced | /03L-0:on 831031,during Surveillance Test ST-ESF-5,Bliss Eagle Timer S1-1A on Sequencer S1-2 Failed to Time Out within Prescribed Limit.Caused by Dirty Operating Mechanism.Timer Replaced | | | 05000285/LER-1983-011-03, /03L-0:on 831111,diesel Generator DG-1 Failed to Field Flash During Surveillance Test.Caused by Damaged Relay Socket & Circuit Rectifying Diodes.Zener Diode Replaced & Regulator Adjusted | /03L-0:on 831111,diesel Generator DG-1 Failed to Field Flash During Surveillance Test.Caused by Damaged Relay Socket & Circuit Rectifying Diodes.Zener Diode Replaced & Regulator Adjusted | | | 05000285/LER-1983-012-03, /03L-0:on 831122,during Performance of Monthly Surveillance Test,Pressure Indicator D/Pic-905 Operated Erratically.Caused by Blown Power Supply Fuse.Fuse Replaced | /03L-0:on 831122,during Performance of Monthly Surveillance Test,Pressure Indicator D/Pic-905 Operated Erratically.Caused by Blown Power Supply Fuse.Fuse Replaced | | | 05000285/LER-1983-013-03, /03L-0:on 831215,during Surveillance Test ST-ESF-3,pressure Switches A/PC-742-1 & A/PC-742-2 Found Inoperable.Caused by Instrument Drift.Switches Recalibr | /03L-0:on 831215,during Surveillance Test ST-ESF-3,pressure Switches A/PC-742-1 & A/PC-742-2 Found Inoperable.Caused by Instrument Drift.Switches Recalibr | |
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