ML20086F974
| ML20086F974 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 10/03/1975 |
| From: | Ullrich W PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| Shared Package | |
| ML20086F969 | List: |
| References | |
| AO-75-65, NUDOCS 8401090744 | |
| Download: ML20086F974 (1) | |
Text
-
.N O.:
N O__.
i t l
.. - _..... ~
_m.
\\ >-
i r:.
.t.
. i..
.s
.(..,A' 4..
s.
7 n..
~
j PHIL6DI*PP.IA E1EOTRIO COMPA3Y V Peach Bottc= Ate =ic Power Station Delta, Pennsylvania 4
1731h October 3. 1975 Mr. J a=es P. O 'Reilly. Director l
Office of Inspection and Enforec=ent mg Region 1.
Q United States Euclear. Regulatory Co==ission
- 63. Part avenue Eing of Prussia, Pennsylvania 19h06
Subject:
Abnornal occurrence 2L-Mour 3otifiestion Co'nfir=ing R.
S. Fleisch= ann's phone conversation with Mr. Jalt Baunack.
Region 1. United States Nuclear Regulatory Co==ission on October 3. 1975
Reference:
License 3 umber DPR kk Technical Specification
Reference:
3.6.C.2
' Report No.:
50-277-75-65 Report Date:
October 3. 1975 Occurrence Date:
October 2 1975 Facility:
P'esch Botto= Atomic Power Station R.D.
1 Delta. Pennsylvania 17314 Identification of Occurrence:
- Dryvell Radiation Monitor inoperative.
l Conditions Prior to Occurrence:
Both units at approxi=ately.55% power.
Description of Occurrence:
Alar = vas received indic ating sa=pling syste= exhaust pu=p suction was low.
During subsequent investigation it was found that flew to the Dryvell Radiation Monitcri=g Syste= vas blocked at a pressure control valve.
h Designation of Apparent Cause of occurrence:
Under investigation.
q
., Analysis of Occurrence:
The Dryvell Radiation Monitor was returned to service shortly after the proble: vas identified, and satisfact.ory operation has continued, although investigation of the proble= is still in progress.
Data aisplayed on the radiation =onitar when returned to service indicated nor=al dryvell radiation levels
=aking the' safety i=plications of
.I this occurre=ce =inimal.
- Corrective Actin =:
~
~
~
f To be deter =ined after invest'igation.
~...,.
_..~
~
\\
4,
k p'
Failure Data:
None.
(
I Very truly yours.
J s.
f
< -ns l
'd.
T.
Ullrich. Superintenment Peach Sctto= Ato=ie Power Station 5
i i
I i
j j
(jus) 8401090744 751024
~
"" ~ ~ 8% '
>8 e
" r.
-~v hr PDR ADOCK 05000277 a
PDR t
i o
4 l
l l
t.
4 n