LER-1998-001, Forwards LER 98-001-00,concerning RT on Unit 2 Caused by Main turbine-generator Voltage Regular Failure |
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| Reporting criterion: |
10 CFR 50.73(a)(2)(iv), System Actuation |
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| 3701998001R00 - NRC Website |
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text
.y Duke Power Company A Dude Ewgy Compny McGuire Nuclear Station
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N '-T
- MG0IVP 12700 llagers Ferry Rd.
Huntersville, NC 28078-9340 H. B. Barron Vice President, McGuire (704) 875-4800 OFFICE Nuclear Generation Department (704) 875-4809 Mx DATE:
March 24, 1998 U.S. Nuclear Regulatory Commission.
Document Control Desk washington, D.C.
20555
Subject:
McGuire Nuclear Station, Unit 2 Docket No. 50-370 Licensee Event Report 370/98-01, Revision 0 Problem Investigation Process No.: 2-M98-0534 Gentlemen:
Pursuant to 10 CFR 50.73 Sections (a) (1) and (d), attached is Licensee Event Report 370/98-01, Revision 0, concerning a Reactor Trip on Unit 2 caused by a main turbine-generator voltage regulacor failure.
This report is being suhanitted in accordance with 10 CFR 50.73 (a) (2) (iv).
This event is considered to be of no significance with respect to the health and safety of the public.
Very truly yours,
/$
H.
B.
Barron, Jr.
MTC Attachment cc:
L. A. Reyes INPO Records Center U.S. Nuclear Regulatory Commission 700 Galleria Parkway Region II Atlanta, GA 30339 Atlanta Federal Center 61 Forsyth St.,
SW, Suite 23T85 Atlanta, GA 30323 F. Rinaldi S.
Shaeffer U.S. Nuclear Regulatory Commission NRC Resident Inspector Office of Nuclear Reactor Regulation McGuire Nuclear Station Washington, D.C.
20555
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9804020420 980324 h' -
PDR ADOCK 05000370 S
PDR i
bxcs D.L. W31ch (EC11C)
M.S. Kitlan (CNS)
L.A. Keller (EC050)
J.I. Glenn (MG02ME) i B.L.
Peel;, (MG01VP)
L.g. Davis (MG05SE)
J.E. Burchfield (ONS Reg Compliance)
G.H.
Savage (EC06E)
G.B. Swindlehurst (EC11-0842)
C.M. Misenheimer (EC08I)
R.F. Cole (EC05N)
R.J.
Freudenberger (EC05N)
T.G. Becker (PB02L)
P.M. Abraham (EC08I) i R.B. White (MG01VP)
R.T. Bond (ONO3SR)
R.L. Bain (CN05SR)
K.L. Crane (MG01RC)
G.D. Gilbert (ECOSN)
NSRB Support Staff (EC05N)
I t
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| | | Reporting criterion |
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| 05000369/LER-1998-001-01, :on 980128,inadvertent Removal of Fwst Channel from Tripped Condition & Cpcs Channel from Start Permissive Condition.Caused by Inadequate Procedures.Procedures Were Placed on Hold Pending Evaluation for Improved Guidance |
- on 980128,inadvertent Removal of Fwst Channel from Tripped Condition & Cpcs Channel from Start Permissive Condition.Caused by Inadequate Procedures.Procedures Were Placed on Hold Pending Evaluation for Improved Guidance
| | | 05000369/LER-1998-002-01, :on 980209,manual RT Following Fuse Failure in Rod Control Sys Was Noted.Caused by Intermittent Loss of Power to Rod Control Gripper Mechanism.Fuse Holder Was Replaced |
- on 980209,manual RT Following Fuse Failure in Rod Control Sys Was Noted.Caused by Intermittent Loss of Power to Rod Control Gripper Mechanism.Fuse Holder Was Replaced
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function
10 CFR 50.73(a)(2)(vii), Common Cause Inoperability
10 CFR 50.73(a)(2)(iv), System Actuation
10 CFR 50.73(a)(2)(i)
10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition
10 CFR 50.73(a)(2)(viii)(A)
10 CFR 50.73(a)(2)(viii)(B) | | 05000369/LER-1998-002, Forwards LER 98-002-00,concerning Reactor Trip at McGuire Unit 1,per 10CFR50.73(a)(2)(iv)(A) | Forwards LER 98-002-00,concerning Reactor Trip at McGuire Unit 1,per 10CFR50.73(a)(2)(iv)(A) | 10 CFR 50.73(a)(2)(iv)(A), System Actuation | | 05000369/LER-1998-003, Forwards LER 98-003-00,re Inoperability of 1CF-30 During Unit 1 Cycle 12.Hydraulic Actuators for All of the Unit 1 Feedwater Isolation Valves Are Being Replaced W/Pneumatic Actuators During Current Refueling Outage | Forwards LER 98-003-00,re Inoperability of 1CF-30 During Unit 1 Cycle 12.Hydraulic Actuators for All of the Unit 1 Feedwater Isolation Valves Are Being Replaced W/Pneumatic Actuators During Current Refueling Outage | 10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition | | 05000369/LER-1998-003-02, :on 980529,inoperability of 1CF-30 During Unit 1 Cycle 12 from 970906-1117,occurred.Caused by Improper Valve Assembly.Valve Logged Inoperable Under Requirements of TS 3/4.6.3 & Operators Entered Action Statement |
- on 980529,inoperability of 1CF-30 During Unit 1 Cycle 12 from 970906-1117,occurred.Caused by Improper Valve Assembly.Valve Logged Inoperable Under Requirements of TS 3/4.6.3 & Operators Entered Action Statement
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function
10 CFR 50.73(a)(2)(vii), Common Cause Inoperability
10 CFR 50.73(a)(2)(iv), System Actuation
10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition
10 CFR 50.73(a)(2)
10 CFR 50.73(a)(2)(viii)(A)
10 CFR 50.73(a)(2)(viii)(B)
10 CFR 50.73(a)(2)(1) | | 05000369/LER-1998-004, Forwards LER 98-004-00 Re Missed Auxiliary Hoist Surveillance Prior to Drive Rod Latching.Event Is Considered to Be of No Significance W/Respect to Health & Safety of Public.Planned C/As in LER Are Regulatory Commitments | Forwards LER 98-004-00 Re Missed Auxiliary Hoist Surveillance Prior to Drive Rod Latching.Event Is Considered to Be of No Significance W/Respect to Health & Safety of Public.Planned C/As in LER Are Regulatory Commitments | 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications | | 05000369/LER-1998-004-02, :on 980619,discovered Missed Auxiliary Hoist Surveillance Prior to Rod Drive Latching.Caused by Inadequate Work Practices.Suspended Drive Rod Latching, Completed Load Test & Resumed Drive Rod Latching |
- on 980619,discovered Missed Auxiliary Hoist Surveillance Prior to Rod Drive Latching.Caused by Inadequate Work Practices.Suspended Drive Rod Latching, Completed Load Test & Resumed Drive Rod Latching
| 10 CFR 50.73(a)(2)(i)
10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition
10 CFR 50.73(a)(2)
10 CFR 50.73(a)(2)(viii)(B) | | 05000369/LER-1998-005-02, :on 980714,noted That Two Auxiliary Bldg Filtered Ventilation Exhaust Systems Were Inoperable Longer than Action Time Per TS 3.7.7.Caused by Personnel Error.Will Revise Procedures to Provide Guidance |
- on 980714,noted That Two Auxiliary Bldg Filtered Ventilation Exhaust Systems Were Inoperable Longer than Action Time Per TS 3.7.7.Caused by Personnel Error.Will Revise Procedures to Provide Guidance
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function
10 CFR 50.73(a)(2)(vii), Common Cause Inoperability
10 CFR 50.73(a)(2)(iv), System Actuation
10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications
10 CFR 50.73(a)(2)(i)
10 CFR 50.73(a)(2)
10 CFR 50.73(a)(2)(viii)(A)
10 CFR 50.73(a)(2)(viii)(B) | | 05000369/LER-1998-006-02, :on 980812,noncompliance with Ice Condenser TS SR 4.6.5.1b.3 Noted.Caused by Lack of Clear Documentation Re Interpretation of TS SR 4.6.5.1b.3.Submitted TS Amend to Clearly Establish SR & Will Review Ice Condenser TSs |
- on 980812,noncompliance with Ice Condenser TS SR 4.6.5.1b.3 Noted.Caused by Lack of Clear Documentation Re Interpretation of TS SR 4.6.5.1b.3.Submitted TS Amend to Clearly Establish SR & Will Review Ice Condenser TSs
| 10 CFR 50.73(a)(2)(v), Loss of Safety Function
10 CFR 50.73(a)(2)(vii), Common Cause Inoperability
10 CFR 50.73(a)(2)(i)
10 CFR 50.72(b)(3)(ii), Degraded or Unanalyzed Condition
10 CFR 50.73(a)(2)
10 CFR 50.73(a)(2)(viii)(A)
10 CFR 50.73(a)(2)(viii)(B) | | 05000369/LER-1998-006, Forwards LER 98-006-00 Re Noncompliance with TS SR 4.6.5.1b.3 Re Flow Passage Insp of Ice Condensers.Item 2 in Planned Corrective Action Subsection Is Only Regulatory Commitment Associated with Rept | Forwards LER 98-006-00 Re Noncompliance with TS SR 4.6.5.1b.3 Re Flow Passage Insp of Ice Condensers.Item 2 in Planned Corrective Action Subsection Is Only Regulatory Commitment Associated with Rept | 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications |
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