ML19343B100
| ML19343B100 | |
| Person / Time | |
|---|---|
| Site: | Yankee Rowe |
| Issue date: | 03/12/1975 |
| From: | Autio H YANKEE ATOMIC ELECTRIC CO. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| Shared Package | |
| ML19343B099 | List: |
| References | |
| AO-50-29-75-4, NUDOCS 8012040269 | |
| Download: ML19343B100 (2) | |
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March 12, 1975 T
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United States Ato:nic Energy Connission Directorate of Regulatory Operation b
Region 1
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631 Park Avenue Eing of Prussia, Pennsylvania 19406 g
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Attentiord Reactor Operations Branch a..
Refcicaco:
License No. DPP.-3 (Docket No. 50-29)
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W N rruant to the requirements of Technical Specifications, tt Appendix A, Section E.4.e., an cbnor::tal degradation of one of i
4 the several boundaries designed 'o contain the radioactive natcrials resulting frcu the fu : kn process is reported as
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%y Abnorr:a1 Occurrence 50-29/75-4.
./.t :le'a un 3/11/7; uhila a technician was working on tne shutdown cooling flow instrunentation sensing line, the
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Instrunentation and Control Supervisor noted a s=211 boron a"
deposit resulting from a pinhole leak on a different section of the same lino.
The leak was aircady isolated due to the work
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being done on that lino.
The pinhole leck occurred at a weld in
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the 1/2"-dic;.eter etninless rubing sensing line.
Tht: icah was mall such that nu visible dripping was
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observed cnd it could only be identified by a minor boron buildup.
Therc was no dcncer to either plsnt personnel or hazard to the f
Lcalth and safety of the public.
l Very truly yours, 1
Ycntee-Atatic Electric Company N
12 H. A. Autio Picnt Superintendent
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/*._RIBUTION_FO_R PART 50 DOCKE( ATERI AL NRCDs
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(TEMPOR ARY FORM)
CONTROL NO:
3117 FILE: II:CIDENT REPC?.T FII]
FROM: Yankee Atomic Elec. Co.
DATE OF DOC DATE REC'D LTR TWX RPT OTHER Iutio 3-21-75 3-24-75 XX r
ORIG CC l OTHER SENT AEC PDR XXX TO J.P. O'Reilly None XXX SENT LOCAL PDR CLASS UNCLASS PROPINFO INPUT NO CYS REC'D-DOCKET NO:
XX 37 50-29 DESCRIPTION:
ENCLOSURES:
Ltr. reporting abnormal occurr. # 50-29/75-4 Shutdown cooling Flow Indicator Sensing Linc trans the following...
Leak...
lidI4Ul'R.hidd/E 4 p r s... -.....
ED I I I b1 LItJ.t..O..
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