ML20091N584

Interim Part 21 & Deficiency Rept Re Incorrect Operation of Div I & II Diesel Generator Load Shedding & Sequencing Sys Panels W/Automatic Test Feature on-line.Initially Reported on 830921.Deficiency Reported Per Part 21 for Unit 1

ML20091N584
Person / Time
Site:	Grand Gulf
Issue date:	06/04/1984
From:	Mcgaughy J MISSISSIPPI POWER & LIGHT CO.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
REF-PT21-84-292-000 AECM-84-2-0007, AECM-84-2-7, PT21-84-292, PT21-84-292-000, NUDOCS 8406120376
Download: ML20091N584 (2)

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/, o MISSISSIPPI POWER & LIGHT COMPANY Helping Build Mississippi M PPI39205 P. O. B O X 16 4 0, J A C K S O N, M I SggS JAMES P. McGAUGHY, JR June 4, 1984 "e: 4 VtCE PmEseDENT U. S. Nuclear Regulatory Commission Region II 101 Marietta Street, N.W.

Suite 2900 Atlanta, Georgia 30303 Attention: Mr. J. P. O'Reilly, Regional Administrator

SUBJECT:

Grand Gulf Nuclear Station Unit 2 Docket No. 50-417 License No. NPF-13 File 0260/15525/15526/16694.4 PRD-83/13, Unit 2, Load Shedding and Sequencing System Panels AECM-84/2-0007 References 1) AECM-83/0609, 9/21/83

2) AECM-84/0148, 3/15/84 On September 21, 1983, Mississippi Power & Light Company notified Ms. L.

Watson, of your of fice, of a Reportable Deficiency at the Grand Gulf Nuclear Station (GGNS). The deficiency concerns the incorrect operation of the Division I and II diesel generator load shedding and sequencing system panels

.!th the automatic test feature on-line.

MP&L had previously determined that this deficiency is reportable under the provisions of 10CFR21 for Unit 1 and reportable under the provisions of 10CFR50.55(e) for Unit 2. In our reference 2 letter it was stated that corrective actions for Unit 2 would be completed by April 27, 1984.

Corrective actions on Unit 2 involved the redesign and replacement of various cards -internal to the LSS Panels along with a shop functional verificetion test. It was planned to verify again the functional operation of the LSS Panels after they were installed on site. However, this site testing would require energizing permanent Unit 2 plant equipment. The decision has been made to defer the energizing and testing of Unit 2 equipnent until such time that a checkout and turnover organization, or similar type group, can facilitate such activities.

Information about the delay in testing'was given by telephone to Mr. Bob Carroll of your staff. He requested that this information be transmitted in a letter.

8406120376 840604 .

PDR ADOCK 05000417 .%yICIAL C0g S PDR Member Middle South Utilities System a %74

y. .

Mr. J. P. O'Reilly AECM-84/2-0007

'NRC- Page 2 All corrective actions on Unit 2 except the_ final onsite testing have been completed. This testing will be completed prior to Unit 2 fuel load.

Yours truly, gyJ.P.McGaughy,J..

c KDS:dr cc: Mr. J. B. Richard Mr. R. B. McGehee Mr. Nicholas S. Reynolds, Esq.

Bishop, Liberman, Cook, Purcell & Reynolds 1200 Seventeenth Street, N. W.

- Suite 700 Washington, D.' C. 20036 Mr. Richard C. DeYoung, Director Of fice of Inspection & Enforcement U. S. Nuclear Regulatory Commission Washington, D.C. 20555 Mr. G. B. Taylor South Miss. Electric Power Association P. O.RBox 1589 Hattiesburg,,MS 39401

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