05000267/LER-1980-014-03, /03L-0:on 800311,during Reactor Shutdown,Emergency Feedwater Snubber BFS-228E Observed to Be Missing Pin at Piston Rod Eye & Rendered Inoperable.No Cause Stated for Missing Pin.New Pin Fabricated & Installed

/03L-0:on 800311,during Reactor Shutdown,Emergency Feedwater Snubber BFS-228E Observed to Be Missing Pin at Piston Rod Eye & Rendered Inoperable.No Cause Stated for Missing Pin.New Pin Fabricated & Installed

ML19305D858
Person / Time
Site:	Fort Saint Vrain
Issue date:	04/09/1980
From:	Gahm J PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19305D855	List: 05000267/LER-1980-014, Forwards LER 80-014/03L-0 05000267/LER-1980-014-03, /03L-0:on 800311,during Reactor Shutdown,Emergency Feedwater Snubber BFS-228E Observed to Be Missing Pin at Piston Rod Eye & Rendered Inoperable.No Cause Stated for Missing Pin.New Pin Fabricated & Installed
References
LER-80-014-03L, LER-80-14-3L, NUDOCS 8004150634
Download: ML19305D858 (1)

LER-1980-014, /03L-0:on 800311,during Reactor Shutdown,Emergency Feedwater Snubber BFS-228E Observed to Be Missing Pin at Piston Rod Eye & Rendered Inoperable.No Cause Stated for Missing Pin.New Pin Fabricated & Installed

Event date:
Report date:
2671980014R03 - NRC Website

text

1 wsuumm e.a mamumasww.=amr-l (7 77) l LICENSEE EVENT REPORT CONTROL BLOCK: l l

l l

l l lh (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIONI 1

6 l 0 I i l l C l 0 l F l S l V l 1 l@l 0 l 0 l-l 0 l 0 l 0 l 0 l 0 l-l0 l 0 l@l4 l1 l1 l 2 l 0 l@l l

l@

7 8 9 LICENSEE CODE le 15 LICENSE NunA8ER 25 26 LICENSE TYPE JO 57 CAT 58 CON'T 10l11 5$n"c, l L l@l 0 l 5 l 0 l 0 l 012 l 6 l 7 l@l 0 l 3 l1 l1 l 8 l 0 l@l0 l 4 l 0 l 9 l 8 l0 l@

7 8

60 61 CoCKET NUMBER 68 69 EVENT DATE 74 75 REPORT CATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h lo l2l lWhile the reactor was shutdown, emergency feedvater snubber BFS-228E was observed to l

I o l a l I be missing a pin at the piston rod eye, and was thus inoperable. Since cre'vinus re-I g o,,, g accor operation had taken place, this is interpreted as ooeration under a degraded i

l o i s t I mode of LCO 4.3.10 and is reportable per Fort St. Vrain Technical Specification l

lo16l l AC 7.5.2(b) 2.

No affect on public health or safety.

Similar occurrences were re-l

[

l o l 7 l l ported in Reportable Occurrences 79-36, 77-16. 77-04, and 77-25.

l 101811 I

l 7

8 9 80 l

E CODE SUSC E COMPONENT CODE St.,8 C0 0'E SU E

lo191 l Z l Z l@ W@ lB lh l Sl Ul Pl Ol Rl Tlh l Dl@ W @

i 7

8 9

10 11 12 13 18 19 20 SEQUENTIAL OCCU R R E NCE REPORT REVISION EVENT YE AR REPORT NO.

CODE TYPE No.

@ l5.ER RO l21 81 0l l-l l Ol 11 4l l/l l 0l 3l lLl l-l l0 l g

22 23 24 26 27 28 29 30 31 32 N AC 0 0 P NT ME HOURS S8 I POR 8.

SUP L MANUP RER l.A J@LI.J@

l.1J@

LLl@

10 10 10 10 I LLJ@

lN l@

l A l@

lI l2 l0 l7 l@

33 34 35 36 37 40 el 42 43 44 47 CAUSE OESCRIPTION AND CORRECTIVE ACTIONS h I i ) o g lOne ITT Barton Figure 200, 201 snubber was inoperable due to a missing piston rod eye l g l pin. A new pin was fabricated and installed. The surveillance interval is presentiv i i

,,,7, [6 months i 25%.

No adjustment is required.

l i

11 131 l l

l titai l l

7 8 9 80 ST

% POWER OTHER STATUS DIS RY DISCOVE9Y DESCRIPTION [Ii s l l G l@ l 0 l 0 l 0 l@l N/A l

l A l@l Personnel Observation l

ACTIVITY CO TENT RELEASED OP RELEASE AMOUNT OP ACTIVITV LOCATION OP RELEASE l1 l6l [NJA l

lN/A l

PERSONNEL EXPOSU ES NUMBER TYPE CESCRIPTICN li l 71 l 0l 0l 0lhl Zl@lN/A l

' PERSONNEL iN3u' RIES i3 80 NUMBER

DESCRIPTION

li la l l 0l 01 Ol@l N/A l

7 8 9 11 12 80 fv"E ' "f$CT.'?TICN' '' " @

800'4150634

^

I i l o l l Zl@l N/A l

7 8 9 10 80 12 l o l l Nl@DE CRIPTION ISSU E D e

l N/A l

lllllllllllll{

7 8 9 10

/,

/,r,, f 68 69 80 a

'b (303) 785-2253 g

NAME OF PREPARER PHONE: