ML17296A304: Difference between revisions

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| number = ML19270F684
| number = ML19270F684
| issue date = 02/16/1979
| issue date = 02/16/1979
| title = Forwards LER 79-003/03L-0
| title = LER 79-003/03L-0 on 790119:reactor Core Isoloation Cooling Sys Turbine Steam Exhaust Check Valve Cv 1-1301-41 Was Leaking.Caused by Dirty Valve Internals.Valve Internals Cleaned & Valve Reassembled
| author name = Kooi M
| author name = Kooi M
| author affiliation = COMMONWEALTH EDISON CO.
| author affiliation = COMMONWEALTH EDISON CO.
Line 21: Line 21:
| number = ML19270F683
| number = ML19270F683
| issue date = 02/16/1979
| issue date = 02/16/1979
| title = Forwards LER 79-003/03L-0
| title = LER 79-003/03L-0 on 790118:flange Seal Gasket Was Leaking in Excess of 30 Std Cubic Feet Per Second.Caused by Seal Gasket Wear.Seal Gasket Will Be Inspected Further & Replaced If Necessary
| author name = Tietz G
| author name = Tietz G
| author affiliation = COMMONWEALTH EDISON CO.
| author affiliation = COMMONWEALTH EDISON CO.
Line 36: Line 36:
| number = ML19270F682
| number = ML19270F682
| issue date = 02/16/1979
| issue date = 02/16/1979
| title = Forwards LER 79-003/03L-0
| title = LER 79-003/03L-0 on 790119:1-2301-45 Check Valve Leak Rate Was 190.3 Std Cubic Feet Per Hour.Caused by Failure of Gasketed Seating Surface Between Valve Body Seating & Disc. Check Valve Replaced W/New Exact Replacement Valve
| author name = Reed M
| author name = Reed M
| author affiliation = COMMONWEALTH EDISON CO.
| author affiliation = COMMONWEALTH EDISON CO.
Line 51: Line 51:
| number = ML19270F679
| number = ML19270F679
| issue date = 02/16/1979
| issue date = 02/16/1979
| title = Forwards LER 79-003/03L-0
| title = LER 79-003/03L-0 on 790119:valve MO1-220-1 Found Leaking at Rate of 43.8 Std Cubic Feet Per Hour.Caused by Dirty & Worn disc-to-seat Surfaces.Valve Disc Was Relapped & Valve Seat Cleaned
| author name = Murray R
| author name = Murray R
| author affiliation = COMMONWEALTH EDISON CO.
| author affiliation = COMMONWEALTH EDISON CO.
Line 66: Line 66:
| number = ML19270F676
| number = ML19270F676
| issue date = 02/16/1979
| issue date = 02/16/1979
| title = Forwards LER 79-003/03L-0
| title = LER 79-003/03L-0 on 790120:feedwater Check Valve 1-220-62B Was Leaking.Caused by Dirty Valve Seat Preventing Proper Seating of Valve Disc.Valve Seat Was Cleaned & New Kalraz O Ring Installed
| author name = Schnitzmeyer J
| author name = Schnitzmeyer J
| author affiliation = COMMONWEALTH EDISON CO.
| author affiliation = COMMONWEALTH EDISON CO.
Line 81: Line 81:
| number = ML19270F673
| number = ML19270F673
| issue date = 02/16/1979
| issue date = 02/16/1979
| title = Forwards LER 79-003/03L-0
| title = LER 79-003/03L-0 on 790119:MSIV Leaking in Excess of Tech Spec Limits.Not All Valves Have Been Repaired.Suppl Rept Will Be Sent Upon Completion of Testing & Corrective Actions
| author name = Kopacz J
| author name = Kopacz J
| author affiliation = COMMONWEALTH EDISON CO.
| author affiliation = COMMONWEALTH EDISON CO.
Line 96: Line 96:
| number = ML19270F668
| number = ML19270F668
| issue date = 02/16/1979
| issue date = 02/16/1979
| title = Forwards LER 79-003/03L-0
| title = LER 79-003/03L-0 on 790122:containment Purge Vol Bounded by Valves Had Leak Rate of 58.3 Std Cubic Feet Per Hour.Caused by Insufficient Stem Travel to Allow Valve Disc to Fully Contact Valve Seat.Valve Operator Stroke Lengthened
| author name = Kooi M
| author name = Kooi M
| author affiliation = COMMONWEALTH EDISON CO.
| author affiliation = COMMONWEALTH EDISON CO.
Line 111: Line 111:
| number = ML19270F662
| number = ML19270F662
| issue date = 02/16/1979
| issue date = 02/16/1979
| title = Forwards LER 79-003/03L-0
| title = LER 79-003/03L-0 on 790124:reactor bldg-to-suppression Chamber Vacuum Breaker 1.1601-31B Had Leak Rate of 142.7 Std Cubic Feet Per Hour.Caused by Component Failure.Valve Packing Replaced & Second Leak Test Performed
| author name = Swales J
| author name = Swales J
| author affiliation = COMMONWEALTH EDISON CO.
| author affiliation = COMMONWEALTH EDISON CO.
Line 126: Line 126:
| number = ML19270F659
| number = ML19270F659
| issue date = 02/16/1979
| issue date = 02/16/1979
| title = Forwards LER 79-003/03L-0
| title = LER 79-003/03L-0 on 790130:1-2001-4 Valve Leak Rate Was 26.0 Std Cubic Feet Per Hour.Caused by Worn Valve Stem Packing.Valve Packing Replaced
| author name = Tielz G
| author name = Tielz G
| author affiliation = COMMONWEALTH EDISON CO.
| author affiliation = COMMONWEALTH EDISON CO.
Line 156: Line 156:
| number = ML17296A303
| number = ML17296A303
| issue date = 03/02/1979
| issue date = 03/02/1979
| title = Forwards LER 79-003/03L-0
| title = Forwards Proof of Svc for Amend 20 to PSAR Served Upon H Atkinson,Chairman of Board of Supervisors of Maricopa,Az, on 790302
| author name = Van Brunt E
| author name = Van Brunt E
| author affiliation = ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
| author affiliation = ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR

Latest revision as of 17:19, 7 March 2020

Forwards LER 79-003/03L-0
Date released: 10/11/2019 Download: ML17296A304
v • d • e


LER 79-003/03L-0 on 790119:reactor Core Isoloation Cooling Sys Turbine Steam Exhaust Check Valve Cv 1-1301-41 Was Leaking.Caused by Dirty Valve Internals.Valve Internals Cleaned & Valve Reassembled
ML19270F684
Person / Time
Site: Quad Cities Constellation icon.png
Issue date: 02/16/1979
From: Kooi M
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML19270F684 (2)
v • d • e
LER 79-003/03L-0 on 790118:flange Seal Gasket Was Leaking in Excess of 30 Std Cubic Feet Per Second.Caused by Seal Gasket Wear.Seal Gasket Will Be Inspected Further & Replaced If Necessary
ML19270F683
Person / Time
Site: Quad Cities Constellation icon.png
Issue date: 02/16/1979
From: Tietz G
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML19270F683 (2)
v • d • e
LER 79-003/03L-0 on 790119:1-2301-45 Check Valve Leak Rate Was 190.3 Std Cubic Feet Per Hour.Caused by Failure of Gasketed Seating Surface Between Valve Body Seating & Disc. Check Valve Replaced W/New Exact Replacement Valve
ML19270F682
Person / Time
Site: Quad Cities Constellation icon.png
Issue date: 02/16/1979
From: Reed M
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML19270F682 (2)
v • d • e
LER 79-003/03L-0 on 790119:valve MO1-220-1 Found Leaking at Rate of 43.8 Std Cubic Feet Per Hour.Caused by Dirty & Worn disc-to-seat Surfaces.Valve Disc Was Relapped & Valve Seat Cleaned
ML19270F679
Person / Time
Site: Quad Cities Constellation icon.png
Issue date: 02/16/1979
From: Robert Murray
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML19270F679 (2)
v • d • e
LER 79-003/03L-0 on 790120:feedwater Check Valve 1-220-62B Was Leaking.Caused by Dirty Valve Seat Preventing Proper Seating of Valve Disc.Valve Seat Was Cleaned & New Kalraz O Ring Installed
ML19270F676
Person / Time
Site: Quad Cities Constellation icon.png
Issue date: 02/16/1979
From: Schnitzmeyer J
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML19270F676 (2)
v • d • e
LER 79-003/03L-0 on 790119:MSIV Leaking in Excess of Tech Spec Limits.Not All Valves Have Been Repaired.Suppl Rept Will Be Sent Upon Completion of Testing & Corrective Actions
ML19270F673
Person / Time
Site: Quad Cities Constellation icon.png
Issue date: 02/16/1979
From: Kopacz J
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML19270F673 (1)
v • d • e
LER 79-003/03L-0 on 790122:containment Purge Vol Bounded by Valves Had Leak Rate of 58.3 Std Cubic Feet Per Hour.Caused by Insufficient Stem Travel to Allow Valve Disc to Fully Contact Valve Seat.Valve Operator Stroke Lengthened
ML19270F668
Person / Time
Site: Quad Cities Constellation icon.png
Issue date: 02/16/1979
From: Kooi M
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML19270F668 (1)
v • d • e
LER 79-003/03L-0 on 790124:reactor bldg-to-suppression Chamber Vacuum Breaker 1.1601-31B Had Leak Rate of 142.7 Std Cubic Feet Per Hour.Caused by Component Failure.Valve Packing Replaced & Second Leak Test Performed
ML19270F662
Person / Time
Site: Quad Cities Constellation icon.png
Issue date: 02/16/1979
From: Swales J
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML19270F662 (2)
v • d • e
LER 79-003/03L-0 on 790130:1-2001-4 Valve Leak Rate Was 26.0 Std Cubic Feet Per Hour.Caused by Worn Valve Stem Packing.Valve Packing Replaced
ML19270F659
Person / Time
Site: Quad Cities Constellation icon.png
Issue date: 02/16/1979
From: Tielz G
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML19270F659 (2)
v • d • e
Forwards LER 79-003/03L-0
ML19270F656
Person / Time
Site: Quad Cities Constellation icon.png
Issue date: 02/16/1979
From: Kalivianakis N
COMMONWEALTH EDISON CO.
To: KEPPLER J G
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
Download: ML19270F656 (2)
v • d • e
Forwards Proof of Svc for Amend 20 to PSAR Served Upon H Atkinson,Chairman of Board of Supervisors of Maricopa,Az, on 790302
ML17296A303
Person / Time
Site: Palo Verde Arizona Public Service icon.png
Issue date: 03/02/1979
From: Van Brunt E
ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To: CASE E G
Office of Nuclear Reactor Regulation
References
Download: ML17296A303 (6)
v • d • e
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