ML19264B526
| ML19264B526 | |
| Person / Time | |
|---|---|
| Site: | Yankee Rowe |
| Issue date: | 10/19/1972 |
| From: | Autio H YANKEE ATOMIC ELECTRIC CO. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| Shared Package | |
| ML19264B525 | List: |
| References | |
| AO-72-17, NUDOCS 8011140441 | |
| Download: ML19264B526 (1) | |
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YANKEE ATOMIC ELECTRIC COMPANY A+
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ROWE, NASSACHUSETTS 01367 October 19, 1972 4;
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TR QIy United Strtten Ator.ie lher;:y Cc=incion 1
Directortite of IWgulatory Operations, Region 1
{g 970 Lrond Street
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Fevarh, N. J.
07102 is Attention:
}'r. Jr=en O'Reilly
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Ecference:
Dyrating License D)%3 9
Docket No. 50-29 Abnorrs.1 Occurrence no. 72-27,10/18/72,13hD bourn 1n 2
Dear Sir:
J While operatir,g at h93 }T't, r1 grcund developed on statice f
l batt ery No.1, A sequentin2 ico3 t tion of ve.rious battery circuitr f
vtw conducted in neccadt.nce vi'.h vritten procedure to locate the s
I cround.
Darir.g the it.olntion of circuit brenher Eo. 6 c reactor scram
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t.r.d turbine trip occur cd.
Vnen the operator o;cned circuit bretier No. 6, identified in the procedure to a cprire, but nr.rhed "M.C. Flov Cnb h", the trip o:' eu rre d.
Rec.t,ved of the battery r;upply to Cr.bir.et A cauce6 the fe".r 4
20v flov pro 4.ection relays to fail sc.fe.
Thin et.ured c.n indiceted lote of c:.in coo 3 tat flov vhich nuto:;.atiet.11y initir.ted e. plant. trip.
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very truay yourc, f
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f herbert A. Autio Plest Superintendent j
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