ML19291C925
| ML19291C925 | |
| Person / Time | |
|---|---|
| Site: | Yankee Rowe |
| Issue date: | 04/02/1973 |
| From: | Autio H YANKEE ATOMIC ELECTRIC CO. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| Shared Package | |
| ML19291C924 | List: |
| References | |
| AO-73-1, NUDOCS 8011140405 | |
| Download: ML19291C925 (1) | |
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YANKEE ATOMIC ELECTRIC COMPANY
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ROWE, MASSACHUSETTS 01367 April 2,19T3 i
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i 44 U. S, Ata=ic Energy Coc=ist. ion f
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Divicion of Begulatory Operations, Region I i.
970 Bror.d Street q
heve.rk, Sev Jersey 07102 i
Attention:
l'.r. Jasec O'Reilt ;
q Ecrerence:
License No. DPR-3 (Docket No. 50-29) 3 Abnornal Occurrence 73-1.
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De t.r l'.r. O' Reilly :
9 Pursur.nt to the requiremente of Ee: tion 5 7 of the Technical
[
Specifice.tient cubmitted as Proposed Change No.105, ve hereby report the folloving abnorrs1 occurrence, designated A.O. No. 73-1.
This
^
report confirns our telephone call to your t.gency on this de.te, Aprii l
P, 1073 On April 2,1973 at 0815 bourre a contractor enployee opened the vap.a coLtsiner perconnel hatch outer door with the ir.ner door already open. h e rain coolant preccure c.nd temperature vere 6BD psi 0
Lnd i.00 F, respectively, he outer door re ained open for apprcrirately two ninuter, constituting a break of vapor container integrity when the 4
0 Mn coolant tyctc vas above 200 T cnd above 303 psi 6 vith the reactor i
I core in place.
E Simulttneous with the opening of the outer door there vas an
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iLLivertent re2eace of tritiua es a vapor.
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$5 i
Very truly yours, A
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lierbert A. Autio
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Plant Superintendent l'JJ./jb k a 8011140 Of