05000327/LER-2009-006, Units 1 and 2 Inoperability of Auxiliary Building Gas Treatment System Because of Inadequate Surveillance

Units 1 and 2 Inoperability of Auxiliary Building Gas Treatment System Because of Inadequate Surveillance

ML092430337
Person / Time
Site:	Sequoyah   (DPR-077, DPR-079)
Issue date:	08/28/2009
From:	Cleary T Tennessee Valley Authority
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
LER 09-006-00
Download: ML092430337 (8)

LER-2009-006, Units 1 and 2 Inoperability of Auxiliary Building Gas Treatment System Because of Inadequate Surveillance

Event date:
Report date:
Reporting criterion:	10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2) 10 CFR 50.73(a)(2)(ix)(A) 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(v), Loss of Safety Function
3272009006R00 - NRC Website

text

Tennessee Valley Authority Post Office Box 2000 Soddy Daisy, Tennessee 37384-2000 Timothy P. Cleary Site Vice President Sequoyah Nuclear Plant August 28, 2009 10 CFR 50.73 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555-0001 Sequoyah Nuclear Plant, Units 1 and 2 Facility Operating License Nos. DPR-77 and DPR-79 NRC Docket Nos. 50-327 and 50-328

Subject:

Licensee Event Report 327 and 328/2009-006-00, "Inoperability of Auxiliary Building Gas Treatment System Because of Inadequate Surveillance" The enclosed Licensee Event Report provides details concerning an event where Sequoyah Nuclear Plant Units 1 and 2 were operated in a condition prohibited by technical specifications because of insufficient surveillance instructions that could allow the auxiliary building gas treatment system to rely upon nonsafety-related equipment for operability.

This report is being submitted in accordance with 10 CFR 50.73 (a)(2)(i)(B).

Respectfully, I

)

Timothy P. Cleary

Enclosure:

cc:

Regional Administrator - Region II NRC Senior Resident Inspector - Sequoyah Nuclear Plant printed on recycled paper

U.S. Nuclear Regulatory Commission Page 2 August 28, 2009 BAW:JWP:DGS:SKD Enclosures bcc (Enclosures):

NRR Project Manager-Sequoyah Nuclear Plant Institute of Nuclear Power Operations G.Arent,EQB1B-WBN P. M. Billingsley, OPS-4C-SQN (For Web posting)

C. R. Church, POB 2B-SQN T. Coutu, LP 3R-C D. W. Foster, OPS 4G-SQN D. E. Jernigan, LP 3R-C K. R. Jones, OPS 4A-SQN R. M. Krich, LP 3R-C F. C. Mashburn, BR 4X-C L. E. Nicholson, BR 4X-C NSRB Support, BR 4X-C P. D. Swafford, LP 3R-C L. E. Thibault, LP 3R-C E. J. Vigluicci, ET10A-K WBN Site Licensing Files, ADM 1L-WBN B. A. Wetzel, OPS 4C-SQN R. J. Whalen, LP 3R-C EDMS, WT CA-K l:License/LER/2009 LERs/LER 1-2009-006

NRC FORM 366 (9-2007)

U.S. NUCLEAR REGULATORY COMMISSION LICENSEE EVENT REPORT (LER)

(See reverse for required number of digits/characters for each block)

APPROVED BY OMB NO.

3150-0104 EXPIRES 08/31/2010 Estimated burden per response to comply with this mandatory collection request:

80 hours9.259259e-4 days <br />0.0222 hours <br />1.322751e-4 weeks <br />3.044e-5 months <br />.

Reported lessons learned are incorporated into the licensing process and fed back to industry.

Send comments regarding burden estimate to the Records and FOIA/Privacy Service Branch (T-5 F52),

U.S.

Nuclear Regulatory Commission, Washington, DC 20555-0001, or by internet e-mail to infocollects@nrc.gov, and to the Desk

Officer, Office of Information and Regulatory Affairs, NEOB-10202, (3150-0104),

Office of Management and Budget, Washington, DC 20503.

If a means used to impose an information collection does not display a currently valid OMB control number, the NRC may not conduct or sponsor, and a person is not required to respond to, the information collection.

1. FACILITY NAME Sequoyah Nuclear Plant (SQN) Unit 1

2. DOCKET NUMBER 05000327

3. PAGE 1 OF 6

4. TITLE:

Units 1 and 2 Inoperability of Auxiliary Building Gas Treatment System Because of Inadequate Surveillance

5. EVENT DATE

6. LER NUMBER

7. REPORT DATE

8. OTHER FACILITIES INVOLVED MONTH DAY YEAR YEAR SEQUENTIAL NUMBER REV NO.

MONTH DAY YEAR FACILITY NAME SQN Unit 2 DOCKET NUMBER 05000328 05 27 2009 2009 006 00 08 28 2009 FACILITY NAME DOCKET NUMBER

9. OPERATING MODE 1

10. POWER LEVEL 100

11. THIS REPORT IS SUBMITTED PURSUANT TO THE REQUIREMENTS OF 10 CFR §: (Check all that apply)

50.73(a)(2)(vii)

50.73(a)(2)(viii)(A)

D 50.73(a)(2)(viil)(B) 50.73(a)(2)(ix)(A) 50.73(a)(2)(x) 73.71 (a)(4) 73.71 (a)(5)

OTHER Specify in Abstract below or in (If more space is required, use additional copies of (If more space is required, use additional copies of (If more space is required, use additional copies of (If more space is required, use additional copies of (If more space is required, use additional copies of NRC Form 366A)

This event did not result in a safety system functional failure in accordance with 10CFR50.73(a)(2)(v).

E.

Unplanned Scram with Complications:

This condition did not result in an unplanned scram with complications.

VIII.

COMMITMENTS

None.