ML19318D105

From kanterella
Jump to navigation Jump to search
LER 80-031/03L-0:on 800605,during Surveillance Test,Pressure Switch Ps 3 5 12C Found 0.3 Psig Above Tech Spec Limit. Caused by Setpoint Drift.Switch Recalibr,Tested & Returned to Svc
ML19318D105
Person / Time
Site: Peach Bottom Constellation icon.png
Issue date: 06/30/1980
From: Cooney M
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
LER-80-013-03L, LER-80-13-3L, NUDOCS 8007070352
Download: ML19318D105 (1)


Text

- 6

.~.

I THIS DOCUMENT CONTAINS P00R QUAL.lTY PAGES no. 3 eo _ ly3L nr. ce,s . . n. cr .ce , o ir..uo Offitu of in.pc6Lson I, Lafursuesn6, n g n,. . ,

U.S. Nut icar Wegulatory Connibbion 631 Pierk Avenue r.ing of Prus.t.3, PA 19406

Dear Mr. Grier:

Tr.is LER concerns a .,etpoint drift, in excess of Tech. Spec. (15%) on a pressure switch for high drywell pressure, wnich initiates the Reactor Protection System. The applicable Tech. Spec. is Table 31.1.

U.$. NUCLEAR REGULATORY COMMI55'ON LICENSEE EVENT REPORT cQNIHOL tiLUCK. l l l l l l 6l n

('-LEAst PRINT OR TYPE ALL REQUIRED INFORMATION) i., l<*il @

!.fl, l.e in [PJ,.jl..[S

..s l 3..l@l.0 l0 l 10 lo

[0_[0

. .u om. . . .ol0 l- l0 s. 10 l@l4lI n, uc. a 2,P. lI IIl1l@l

,o

..s f.' l 16 la 10 le b l@

l l'I] "",C' IL J@l0 I s 10 l- 10 1217 18 l@l o I 610 II B Io l@l0 t v a r.: utsui riiUn aNu rsioisaist ' YcSN$b, Nets h

+,_,t. nc-au r,' nui tch tre

  • c'a ~ 1 # 4.-w 1
f. ] l u,41. naceni,,4 P.c a ancy,111.nrn

. I linitiates Reactor Protection Systta action.on.dow 11 nrensuro van found 1

i 1

i M lo.31. ig above.the allowahle..technien1 mper4 ficat4 an aatting nr 1.an l

6' 'l It. nan or equal to 2 psig ._Rodundant.pressarc. switches unm enerable-l

' s'd i 1

4' i 1. . . .._ .

I (m*] f u SL B E E r (q.3g 5 OI E LOMPONf NT CODE El5]

~

II 1 A l@ [JJ@ [jLj@ II f3lM lS IT lR IU 18 LS_l@ L?J 85 19 20 G

9 10 16 14 REVis,0N e6 5EO,sf %Tiat OCCURRENCC REPORT CODE TYPE f.0

.i Yt h f vt 886 MEPO*i1 NO.

@ ;t M;;;<;

4 h u.e I8IoI L --! Io 1113 l ld I oI 11 L1J lv.J l o.J

.i, u a i >, u., n 2.

o'J at'i,'n ::laa? ^'1^,O;'n"'

, PM ""J"/,5? .!Olin".'in

'tAl"d '23'."l4 , . , . . ,

1,.,E.lAl, zJ8 L.3. JA L..zJ@

lo 1 ol o@f cl li.t.1@

.. , u LJrJ@ L.,F.j@ .

lsI3I8l2l@

c Au:. on :.au. ouN ANu t.uniu cnvi Ar uoss @

=v4teh vanurn-turna b. I i ] l_The cause van a nntnn4nt ar4rt nn +ba nraamura I

ra,. nrn.enr, m4+es me 4 .a i . + ,.31, F A Lstatic_-0-94nr 4na.1 r un. 1n4 iahvo'v.

I i !] Lricalibrated,_1cated and returnr.d in snevice.

1 i J] I i

(~~EC I 80 tH DiscovtRv DL$CR.PTION

' : s'dNI[ s mov.t se OTHEM51ATus 1

EO [nj@ l o l o I o l@l" n/A I la.J@l surve411ance restini- ",

~

aa...,, "

.o o a. cu,.uA.. o' n ,., LOcavion oP Rstaasa @

auou . nh _

i oP at.nynv @l J 4^ l

[:.9. I.,zJ @ L2J@l ,, .. ..

plt.40mNtt i aPObuML5

.8 TVPf a 1 RIP I s. ,N huVt t l E U l of of o!GL216.

J/i _ _ .. -. .. . _ _ _ _ _ "

,oo.so~ d'.J. .is v.

o. ..cn

'.~.TO i o! QSl__ ,

_._Je'._  ; ___ . _ . . . _ - . _ _ - -

J

..~,.n,o.,c.....,

_e. _*

- *a *--

-- m.. .. .

. . . ,_ ~

e

%OM E, S. U., S C.. "'C .L.

~mw . . . . A.J f

ma___

__ ...._ _ __t i aL! ' ' l ' 'l i I!

,,0.i .1 . dMa

,