05000318/LER-1981-040-03, /03L-0:on 810923,during Surveillance Testing, MSIV 22 Stroked Shut in Time Exceeding Max Allowed by Tech Spec.C-E Investigating Change of Stroke Time Limits.Update Will Be Issued: Difference between revisions

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{{Adams
#REDIRECT [[05000318/LER-1981-040-03, During Surveillance Testing,Msiv 22 Closing Time Exceeded Tech Spec Limit.Caused by Nonsteel Ring Binding Stem.Ring Replaced.Purchase Spec Revised]]
| number = ML20011A943
| issue date = 10/23/1981
| title = /03L-0:on 810923,during Surveillance Testing, MSIV 22 Stroked Shut in Time Exceeding Max Allowed by Tech Spec.C-E Investigating Change of Stroke Time Limits.Update Will Be Issued
| author name = Weir P, Wenderlich R
| author affiliation = BALTIMORE GAS & ELECTRIC CO.
| addressee name =
| addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
| docket = 05000318
| license number =
| contact person =
| document report number = LER-81-040-03L, LER-81-40-3L, NUDOCS 8111030394
| package number = ML20011A940
| document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT
| page count = 1
}}
{{LER
| Title = /03L-0:on 810923,during Surveillance Testing, MSIV 22 Stroked Shut in Time Exceeding Max Allowed by Tech Spec.C-E Investigating Change of Stroke Time Limits.Update Will Be Issued
| Plant =
| Reporting criterion =
| Power level =
| Mode =
| Docket = 05000318
| LER year = 1981
| LER number = 40
| LER revision = 3
| Event date =
| Report date =
| ENS =
| abstract =
}}
 
=text=
{{#Wiki_filter:NRC FORM 366 U.S. NUCLEAR REGULATSRY COMMISSION
'(7 77)
LICENSEE EVENT REPORT CONTROL BLOCX: l l
l l
l l
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(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6
l0 li l l Ml DI Cl Cl Nl 2I@l 0 l 0l -l 0 l 0 l 0 l 0 l 0 l -l 0 l 0 l@l 4 l 1 l 1 l 1l 1l@l l
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7 8 9 LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE Jo 67 CAT 68 CON'T Za"c' l Ll@l 0] 5 l 0l 0 l 0 l 3l 1l 8 l@l 0 l 9 l 2 l 3 l 8 l 1 l@l 1 l 0 l 2 l 3 l 8 l 1 l@
10111 1
8 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h lO w l During Mode 4 operat_ipn at 2255 while performing surveillance testing, l
.c o. ~q
#22 Main SteamilsoldtY6n Valve (MSIV) stroked shut in 3.67 sec, l
jo y3; l 0.07 sec over clie m'a$1muni a owed by T.S. 3.7.1.5.
The valve was l
l o 14 l l I
10 l s l l retested and restored to service at 0045 on 9-24-81.
 
==Similar events==
l lO l6 ] l in Docket #50-317; 81-44, 81-24 and 78-37.
In Docket #50-318; 81-07 l
lO l7l l and 78-36.
l 10181I l
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8 9
to 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LER RO EVENTYEAR REPORT NO.
CODE TYPE N O.
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ON L T ME HOURS S8 IT FO B.
SUPPLIE MANUF CTURER AK l Zlgl34Fj@
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33 35 36 3/
40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACllONS h l1101l Combustion Engineering (NSSS supplier) is investigating a change of l
ji jill the upper and lower time limits for MS1V operation. Preliminary work l
indicates a time of approximately 6 secs will be acceptable. Updating l
, 7 l
i,g3, l Report will be issued upon completion of calculation of stroke time l
l1 g4l l limits.
1 80 7
8 9 STA S
% F 3WER OTHER STATUS iSCO RY DISCOVERY DESCRIPTION l1 l5 l l Gl@ l 0 l 0 l 0 l@l N/A l
W@l Surveillance Testing l
ACTIVITY CO TENT RELE ASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE ltl6l] @ W@l N/A l
l N/A l
1 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMOTR TYPE
 
==DESCRIPTION==
y l 0] 0l 0l@l Zl@l N/A l
8o
_ PERSONNE L,NauWiES oESCRiPnO~@
NUMeEn li lR l l 0l 0l 0l@l N/A l
7 8 9 11 12 go LOSS OF OR DAMAGE TO FACILITY TYPE DESCRIP TION Q Q@l N/A l
PuatiETY 8111030394 811023 NRC USE ONLY PDR ADOCK 05000318 Q [ SUED @ DESCRIPTION,3 IS PDR l
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N_j l
N/A S
7 8 9 10 68 69 80 lis L.
d li h/P. J. Weh O
NAME OF PREPARER PHONE:
}}
 
{{LER-Nav}}

Latest revision as of 03:13, 26 May 2025