ML12006A069

Letter: Regulatory Conferences Supporting Documentation for Apparent Violations EA-11-241 and EA-11-243. (Cover Letter Without Attachments)

ML12006A069
Person / Time
Site:	Palisades
Issue date:	01/05/2012
From:	Vitale A Entergy Nuclear Operations
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
EA-11-243, Meeting Notice - ML113530655, EA-11-241, PNP 2012-06 EA-11-241, EA-11-243-1
Download: ML12006A069 (2)

Text

Enteigy Inc.

27780 Blue Star Memorial Highway Covert, Ml 49043 Tel 269 764 2000 Anthony J. Vitale Site Vice President PNP 2012-06 EA-1 1-241 EA-1 1-243 January05, 2012 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555

Subject:

Regulatory Conferences Supporting Documentation for Apparent Violations EA-11-241 and EA-11-243 Palisades Nuclear Plant Docket 50-255 License No. DPR-20

References:

1 Letter from Nuclear Regulatory Commission to Entergy Nuclear Operations, Inc. dated November 29, 2011, Palisades Nuclear Plant, NRC Inspection Report 05000255/2011016 Preliminary White Finding

2. Letter from Nuclear Regulatory Commission to Entergy Nuclear Operations, Inc. dated November 29, 2011, Palisades Nuclear Plant NRC Special Inspection Team (SIT) Report 05000255/2011014 Preliminary Yellow Finding

3. Letter from Entergy Nuclear Operations, Inc. to Nuclear Regulatory Commission to dated December 8, 2011, 1 0-Day Response to IR 2011014 Preliminary Yellow Finding DC Bus Failure and Plant Trip

4. Letter from Entergy Nuclear Operations, Inc. to Nuclear Regulatory Commission to dated December 8, 2011, 1 0-Day Response to IR 2011016 Preliminary White Finding Service Water Pump Coupling Failure

Dear Sir or Madam:

Entergy Nuclear Operations, Inc, (ENO) received the referenced letters dated November 29, 2011, related to the failure of a DC Bus, causing a plant trip on September 25, 2011 and the failure of a service water pump coupling on August 9, 2011. By referenced letters dated December 8, 2011, ENO requested regulatory conferences to address the apparent violations.

The requested supporting documentation for the regulatory conferences is enclosed.

Document Control Desk PNP 2012-06 Page 2 This letter contains no new commitments and no revisions to existing commitments.

Sincerely, Attachments: 1. Root Cause EvaluationService Water Pump P-7C Coupling Failure, Rev 0

2. SDP Assessment of Service Water Pump P-7C Coupling Failures

3. Root Cause EvaluationPlant Trip During Panel ED-i 1-2 Maintenance, Rev 2

4. SDP Assessment of DC Panel Dli -2 Fault CC Administrator, Region Ill, USNRC Project Manager, Palisades, USNRC Resident Inspector, Palisades, USN RC