ML20084K206
| ML20084K206 | |
| Person / Time | |
|---|---|
| Site: | Quad Cities |
| Issue date: | 07/23/1974 |
| From: | Kalivianakis N COMMONWEALTH EDISON CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| Shared Package | |
| ML20084K201 | List: |
| References | |
| NJK-74-170, NUDOCS 8305190210 | |
| Download: ML20084K206 (1) | |
Text
-
n
.R.
C mme:,m lth Edistn G
[C 9'.
Ouad-Citic4-denerating Station i
A, PoS! OfflCe box 216 N' d Cordova,lilinois 61242 h',r.
Teiephone 309/654-2241 NJK-74-170 d
Telecopy: Region lil', Attention:
Mr. C. Feierabend
\\
July 23,1974 f
J[q3 g U "~
11
.m
\\
I J. Keppler, Regional Director 3b Directorate of Regulatory Operations q,
Region lli N
U. S. Atomic Energy Commission 5 0 - p ~ u-799 Roosevelt lioad Glen Ellyn, Illinois 60137
Reference:
Quad-Cities Nuclear Power Station, Unit i Docket No. 50-254, DPR-29, Appendix A Sections 1.0.A.2, 3.2.B, and Table 3.2.2
Dear Hr. Keppler:
The purpose of this letter is to provide you with notification of an Abnormal Occurrence as required by Technical Specification 6.6.B.I.a within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> of the occurrence, i.n.si.
y q, syfu, un.io ~. - + n e-.., e. a.. t. ~,;.. - :,.. !.,. f. - -..- :, - r..:! ! ! -.,::,
the lef t hand switch of PS-1-263-528, tripped at 355 psig decreasing, thus violating Technical Specifications 3.2.B and Table 3.2.2.
The instrument was inspected and no visible defects were found. The switch was re-calibrated to trip within the acceptable range.
This occurrence was dis ~ cussed by telephone with Mr. Feierabend of your office on July 23, 1974. Further information will be provided by Abnormal Occurrence Report A0 50-254/74-25 which will be submitted within 10 days of the date of
.this occurrence.
Very truly yours, COMMONWEALTH EDISON COMPANY QUAD-CITIES NUCLEAR POWER STATION
'o g.-
N..'. Kalivianakis Station Superintendent 1.
HJK/CWS/j eh
,If
/
r,L cc:
Directorate of Licensing h;
t J. S. Abel I
(b h)
\\
\\ "i ' :.
pgPn8?fon88)b
\\
- ,9 S
_ COPY SENT REGION r
.