ML070780380
| ML070780380 | |
| Person / Time | |
|---|---|
| Site: | Pilgrim |
| Issue date: | 04/30/1997 |
| From: | Entergy Corp |
| To: | Office of Nuclear Reactor Regulation, NRC/OGC, NRC Region 1 |
| References | |
| CR-PNP-1997-0187 | |
| Download: ML070780380 (14) | |
Text
Enteqgy CONDITION REPORT Originator: CONVERTED DATA Originator Group: CONVERTED DATA Supervisor Name: CONVERTED DATA Discovered Date: 0413011997 0O:OO CR-PNP-1997-01787 Originator Phone: 0 Operability Required: N Reportability Required: N Initiated Date: 04/30/1997 0O:OO Condition
Description:
WO-11 EROSION-CORROSION DATA REVIEW OF INSPECTION POINT #15 HAS FOUND INSTANCES OF WALL THICKNESS INCREASES OF UP TO 0.227" WHEN COMPARING PREVIOUS OUTAGE RESULTS Immediate Action
Description:
Suggested Action
Description:
EQUIPMENT:
Tag Name REFERENCE ITEMS:
Type Code CONVERTED PR Tae Suffi Name Component Code Process System Code 99 Description PR.97.1787
Ent-Initiated Date: 4/30/1997 0:OO Current
Contact:
MCDONALD, G.
Current Significance: D - ADMIN CLOSE Owner Group :CA&A Staff Closed by: MCDONALD, G.
5/7/1997 0:OO ADMIN CR-PI"-1997-01787 Summary
Description:
RFO-11 EROSION-CORROSION DATA REVIEW OF INSPECTION POINT #15 HAS FOUND INSTANCES OF WALL THICKNESS INCREASES OF UP TO 0.227" WHEN COMPAlUNG PREVIOUS OUTAGE RESULTS Remarks
Description:
PR=EF EROSION CORROSION INSPECTION POINT WALL THICKNESS E105A Closure
Description:
EVALUATION AND CORRECTIVE ACTION COMPLETE.
I I
I A S S I G N M E N T S 1 CR-PNP-1997-01787 Emf-I Version: 1 Significance Code: D - ADMIN CLOSE Classification Code: NON-SIGNIFICANT Owner Group: CA&A Staff Performed By: Shatas,Albert A Assignment
Description:
SCREENING IN ACCORDANCE WITHPROC. 1.3.121 04/30/1997 0O:OO
Enterffv 1
CORRECTIVE ACTION I CR-PNP-1997-01787 CA Number:
1 Assigned By: CA&A Staff SHATAS, A.
Assigned To: CA&A Staff Subassigned To :
Shatas,Albert A Originated By: SHATAS, A.
Performed By: SHATAS, A.
Subperformed By:
Approved By:
Closed By: SHATAS, A.
4/30/1997 0O:OO:OO 5/1/1997 0O:OO:OO 5/1/1997 0O:OO:OO Current Due Date: 05/07/1997 Initial Due Date: 05/07/1997 CA Type: GENERAL Plant Constraint: NONE CA
Description:
SCREENING IN ACCORDANCE WITH PROC. 1.3.121.
Response
Subresponse :
CONVERTED DATA Closure Comments:
Closed Without Comments
E n f m I CORRECTIVE ACTION I CR-PNP-1997-01787 CA Number:
2 I
I__
Group I I Name I
Assigned By: QA Staff SHERIDAN, R.
Assigned To: QA Staff Sheridan,Robert S Subassigned To :
Originated By: SHERIDAN, R.
Performed By: SHERIDAN, R.
Subperformed By:
Approved By:
Closed By: SHERIDAN, R.
5/1/1997 0O:OO:OO 7/24/1997 0O:OO:OO 7/24/1997 0O:OO:OO Current Due Date: 08/30/1997 Initial Due Date: 08/30/1997 CA Type: GENERAL Plant Constraint: NONE CA
Description:
CONDUCT A DIRECT CAUSE ANALYSIS PER SECTION 6.6.2 AND ATTACHMENT 4 OF PNPS 1.3.12
CORRECTIVE ACTION I CR-PNP-1997-01787
Response
COMPLETE DIRECT CAUSE ANALYSIS.
PROBLEM REPORT PROBLEM REPORT No.97.1787.01 EVALUATION RESPONSE
- 1. Problem
Description:
Ultrasonic thickness readings taken at separate outages to measure for erosiodcorrosion displayed results which cannot be attributed to wall thinning or to nominal variations in the readings associated with the measurement technique.
These errors do not impact the acceptability of the component since there is sufficient wall thickness.
- 2. Apparenmirect Cause:The most probable cause is human error associated with the measurement grid or reading the wrong signal.
- 3. Repeat Occurrence:
YES x
NO
- 4. Maintenance Rule Functional Failure: -
YES x NO-Unknown
- 5. Corrective Actions Completed (include Dates if possible)
- 6. Corrective Actions Required a) Action Required Redo the examination in RFO 12.
(check "N/R" if not required) -
N/R Closure Requirement Schedule inspection point 15 for RFO 12 in Specification M-577.
Responsible Manager John Gerety DueDate 1 / 1
/ 99-0OODeadDate 2 / 1
/
b) Action Required Closure Requirement Responsible Manager DueDate
/
/
OUODead Date
/
/
- 7. Corrective Actions Required to Preclude Recurrence a) Action Required Perform greater oversight of inspectors perorming erosiodcorrosion examinations.
(check "N/R" if not required) __ N/R Closure Requirement Revise Quality Control Instruction 50.44 to add oversight of inspectors.
Responsible Manager Jack Alexander DueDate 1
/ 1 I 99-IlOODeadDate 2 / 1 199-Entergy b) Action Required CORRECTIVE ACTION CR-PNP-1997-01787 Closure Requirement Procedure Number(s)
Event Type I
Responsible Manager Due Date
/
/
0 0 ODead Date -/-/-
N/R
- 8. Trend Data for Apparent Cause (check "NR' for Direct Cause Analysis)
NOTE If more than two Inappropriate Actions are defined, use Exhibit 14.
a) Inappropriate Action (IA)
Description:
unusual UT results obtained during performance of errosiodcorrosion exams IA Job Title -worker-IA Group QAG IA Department -QAG -
IA Job Title IA Group IA Department BECO 0
Contractor -X Work Process P M 3 -
Key Activity -IN Work Process Key Activity O&P Failure Mechanism P 4 - HEIA Failure Mechanism -ID1 Human Error Type (Circle 1): Skill BasedO Rule BasedO Knowledge Based Procedure Number(s) -QCI 50.44 b) Inappropriate Action (IA)
Description:
Event Type -0T IA Job Title IA Group IA Department IA Job Title IA Group IA Department BECO 0
Contractor Work Process Key Activity Work Process Key Activity O&P Failure Mechanism Human Error Type (Circle 1): Skill Based@ Rule Based 0 Knowledge Based HEIA Failure Mechanism
~~
I I
E n t w CORRECTIVE ACTION CR-PNP-1997-01787 If applicable, the reason for the upgraded:
Completed By: -R.
Sheridan-Date: -7/24/97-0 OEvaluator/Mentor Approved By: R Sheridan-Date: -7124197-0 Manager Subresponse :
Enfefgy Closure Comments:
COMPLETE DIRECT CAUSE ANALYSIS.
CORRECTIVE ACTION CR-PNP-1997-01787 PROBLEM REPORT PROBLEM REPORT No.97.1787.01 EVALUATION RESPONSE
- 1. Problem
Description:
Ultrasonic thickness readings taken at separate outages to measure for erosiotdcorrosion displayed results which cannot be attributed to wall thinning or to nominal variations in the readings associated with the measurement technique.
These errors do not impact the acceptability of the component since there is sufficient wall thickness.
- 2. Apparenmirect Cause:The most probable cause is human error associated with the measurement grid or reading the wrong signal.
- 3. Repeat Occurrence:
YES x
NO
- 4. Maintenance Rule Functional Failure: __ YES x NO-Unknown
- 5. Corrective Actions Completed (include Dates if possible)
- 6. Corrective Actions Required a) Action Required Redo the examination in RFO 12.
(check "NR" if not required) __ N/R Closure Requirement Schedule inspection point 15 for RFO 12 in Specification M-577.
Responsible Manager John Gerety DueDate 1 / 1
/ 99-EOODeadDate 2 / 1
/ 99-b) Action Required Closure Requirement Responsible Manager Due Date
/
/
OOODeadDate
/
/
- 7. Corrective Actions Required to Preclude Recurrence a) Action Required Perform greater oversight of inspectors performing erosiotdcorrosion examinations.
(c..xk "NR" i,.lot required) -
N/R Closure Requirement Revise Quality Control Instruction 50.44 to add oversight of inspectors.
EntE7g-y Responsible Manager Jack Alexander DueDate 1
/ 1
/ 99-CUODeadDate 2 / 1 199-CORRECTIVE ACTION CR-PNP-1997-01787 b) Action Required Closure Requirement Responsible Manager Due Date
/
/
0 ODead Date -I-/-
N/R
- 8. Trend Data for Apparent Cause (check "NR" for Direct Cause Analysis)
NOTE If more than two Inappropriate Actions are defined, use Exhibit 14.
a) Inappropriate Action (IA)
Description:
unusual UT results obtained during performance of errosiodcorrosion exams IA Job Title -worker-IA Group QAG IA Department -QAG IA Job Title IA Group IA Department BECO OContractor -X Work Process P M 3 -
Key Activity -IN Work Process Key Activity O&P Failure Mechanism -P4-HEIA Failure Mechanism -ID1 Human Error Type (Circle 1): Skill BasedO Rule Based@ Knowledge Based Procedure Number(s) -QCI 50.44 b) Inappropriate Action (IA)
Description:
Event Type -0T IA Job Title IA Group IA Department IA Job Title IA Group IA Department BECO OContractor Work Process Key Activity Work Process Key Activity O&P Failure Mechanism Human Error Type (Circle 1): Skill BasedO Rule Based 0 Knowledge Based HEIA Failure Mechanism
CORRECTIVE ACTION Entergy
- 9. The Significance should:
Be Upgraded Be Downgraded -X-Remain the Same CR-PNP-1997-01787 If applicable, the reason for the upgraded:
Completed By: R Sheridan-Date: -7124197-
[I UEvaluatoriMentor Approved By: R Sheridan-Date: -7124197-11 0 Manager
Er2tefg-y Version:
1 Requested Duedate: 08/30/1997 CA DUE DATE EXTENSION CR-PNP-1997-01787 Requested By: CONVERTED DATA Approved By: CONVERTED DATA Request
Description:
CONVERTED DATA Approved
Description:
CONVERTED DATA Approved:
Previous Duedate: 08/29/1997 081231 1997 O8I23l 1997
~
I I
Entegy CORRECTIVE ACTION CR-PNP-1997-01787 Originated By: WETHERELL, N.
Performed By: TUCKER, J.
Subperformed By:
Approved By:
Closed By: WETHERELL, N.
8/ 12/ 1997 0O:OO:OO 9/28/1998 0O:OO:OO 9/28/1998 0O:OO:OO
~~
Current Due Date: 02/01/1999 Initial Due Date: 02/01/1999 CA Type: GENERAL Plant Constraint: NONE CA
Description:
SCHEDULE UT FOR INSPECTION POINT 15 FOR W O 12 IN SPEC M-577.
Response
Subresponse :
CONVERTED DATA Closure Comments:
MEMO STATING THAT ACTION IS COMPLETE.
CLOSURE: NESG 98-041 PROVIDES THE LIST OF RFO-12 ERROSION/CORROSION INSPECTION LOCATIONS.
BASED ON THIS LIST MR19801062 WAS ISSUED TO INSPECT POINT #15.
Enteqg-y CA Number:
4 I
Name I
Sheridan,Robert S Assigned By: QA Staff SHERIDAN, R.
Assigned To: QA Staff CORRECTIVE ACTION CR-PNP-1997-01787 Subassigned To :
Originated By: SHERIDAN, R.
Performed By: SHERIDAN, R.
Subperformed By:
Approved By:
Closed By: SHERIDAN, R.
8/ 12/1997 0O:OO:OO 10/2/1997 0O:OO:OO 10/2/1997 0O:OO:OO Current Due Date: 11/01/1997 Initial Due Date: 11/01/1997 CA Type: GENERAL Plant Constraint: NONE CA
Description:
REVISE QCI 50.44 TO ADD GREATER DEGREE OF OVERSIGHT OF INSPECTORS PERFORMING EROSION/CORROSION EXAMINATIONS.
Response
Subresponse :
CONVERTED DATA Closure Comments:
PROCEDURE REVISIONS MUST BE ISSUED FOR USE BY STATION PERSONNEL.
CLOSURE: PROCEDURE CHANGED AND ISSUED.