ML19322A445
| ML19322A445 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 03/13/1975 |
| From: | Herbein J METROPOLITAN EDISON CO. |
| To: | |
| References | |
| NUDOCS 7910260593 | |
| Download: ML19322A445 (1) | |
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METITOYO1.\\I*sS$ [Ol00N CC.1FhNY.WGOMRY OF QMRM PUBUC VnUHU CCMMHCH POST CI'r4CE DOX 4410 MIDDLETCWN.PENNSYt.V ANIA 17057 7t".1.2 PHONE 717.';44.4 Cit March 13, 1975 I
y tar. J.P. 0'a.oilly Director Iy Directorat2 of Regularcry (togica I G31 Park Aver.*e T.ing of Frussia. Pa.
154G6 Operating Lic nse CSR-50 Dochet 50-239
Subject:
Abrorsal Occurrence tio. A0 75-06
Dear Mr. O'P.ailly:
telegrc:t is to cr.first the telec:n between Lee S;-stard thg1:n IC.C, Tiii and Joscan J. Colitz (T;H-1 Supc-int:ndent) at 1000 hours0.0116 days <br />0.278 hours <br />0.00165 weeks <br />3.805e-4 months <br /> 12 thren 1975.
The fo11 ewing recort is submitted in accordance with paragraph 6.7.2.a.4 (page 6-11) of the technical specifiestions.
On 12 mrch, while ccnductirj Coact:r ilu11 ding Isolatien ar.d Coolin'1 Sut" vaillence Testinn, n::acter uuilding E crcetcy Air Cccice C Inlet Valva (CR-V3C) failcd to cpcn.
The reduvid:.nt velvas. C-VA c1:d Ra-Cl,2:cre ratisfccterfly tested to verify operabilitc/.
Inrestigation into the failure of E-V3C reive. led that the lock nut, within the licitor.1::a valve c.;erator, :siten insures entor shaft crar:c: cant with the valve sten, had varked locse. De icose locx nut per-tacted tha ste;;
s aut. khich is rotat2d bv tha ector thaft. to dirangaca frem the volve ste.1.
Tnis conditica previnteri tha tr:n.mit.sion of valv3 :;s*.ar rotati:n to vartical valve ste-cmemnt ar.d ti.e valve failed to cpen ei signal.
RA-V3C was schseTeently rar. aired cad testad satisfacturily. Thr. rersining Raactor Cuildir.g Ccolers' in10t and cutlot valve untor operstors wili !:a checked ter 1<,ose locx nuts. Apprcpricta accian will be t: Ken based on the findings.
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%/N 6A J.G. Herbein Station Superintendent
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