ML20082P647
| ML20082P647 | |
| Person / Time | |
|---|---|
| Site: | Braidwood  |
| Issue date: | 12/02/1983 |
| From: | Swartz E COMMONWEALTH EDISON CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| 10CFR-050.55E, 10CFR-50.55E, 7703N, 83-14, NUDOCS 8312090122 | |
| Download: ML20082P647 (2) | |
Text
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N. Commonwealth Edison
' - ) One First Nationsl Ftsza, Chicago, litinois O'-
Address Reply to: Post Office Box 767 q
Chicago, Illinois 60690 December 2, 1983 Mr. James G. Keppler Regional Administrator I
U.S. Nuclear Regulatory Commission
' Region III l
'799 Roosevelt Road Glen Ellyn, IL 60137
Subject:
Braidwood Station Units 1 and 2 10 CFR 50.55(e) 30-day Report Cracked Battery Cells NRC Docket Nos. 50-456 and-50-457
Dear Mr. Keppler:
On October 31, 1983, the Commonwealth Edison Company Project Management Department notified Mr. D.
W.
Hayes of your office of a deficiency reportable ~ pursuant to 10 CFR 50.55(e) regarding the cracked Gould Battery cells at our Braidwood Station.
~
For your tracking purposes, this deficiency was assigned Number 83-14.
This letter fulfills ~the thirty (30) day reporting requirements of 10 CFR 50.55(e) regarding this matter and'is considered to be a final report.
DESCRIPTION OF DEFICIENCY Ouring an inspection of the Braidwood Unit 1 safety-related battery.. installation, cracks were discovered in three (3) of the Gould Battery cells.
GNB Batteries Incorporated visually inspected all cells and determined that cell numbers 18, 52 and 53 were cracked.
The cause of the cracking is not known at this time.
However, GNB Batteries is expected to provide CECO. with an analysis of the cause of the. cracking..
' ANALYSIS-OF SAFETY IMPLICATIONS If this deficiency were to be left uncorrected, the crack in the cells could result in possible leakage resulting in a battery failure, and subsequent loss of their intended function.
8312090122 831202 gpp PDR ADOCK 05000456 S
y, o
.. CORRECTIVE-ACTION TAKEN has issued Non-Confor, nance Report No. 580. Commonwealth E action is to replace the cracked cells.
The corrective
. completed upon receipt of the new cells. Work will be Although no date prior to fuel load.of shipment has yet been set, these cells will be replaced Please address any questions that have concerning this matter to this office.you or your staff may Very truly yours, E.
ouglas S art' Nuclear Licen ng Administrator RIII Inspector - Braidwood cc:
Director of Insp. and Enf.
U.S. Huclear Regulatory Commission Washington, DC 20555 7703N
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