ML19210A267

LER 77-004/01T:on 770415,error in Safety Analysis Discovered.Caused by Personnel Using Erroneous Combined Relief Valve Capacity Figures from Vendor Valve Drawing in Safety Analysis

ML19210A267
Person / Time
Site:	Three Mile Island
Issue date:	04/29/1977
From:	Potts W METROPOLITAN EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
LER-77-004-01T, LER-77-4-1T, NUDOCS 7910250546
Download: ML19210A267 (1)

Text

- - . - -. - - --- . _ . . _ _

JCENSEE EVENT REPORT CONTROL 8 LOCK:l l l l l l l (pLEASE PRINT ALL REQUIRED INFORMATION) 1 6 UCENSEE LICENSE EVENT NAME UCENSE NUMBEA TYPE TYPE C1 7 89 P A l ,'" /r/

~~

fl 14 l^ e

- l '" ^l C l ^ l ^ -

O 4 l l fl , ~ l , l '

l-l Cl.

15 25 26 30 31 32 AE PC AT AEnCAT CATEGOAY TYPE SOURCE OOCKET NUMBEA EVENT DATE AEPCAT DATE O 1 CONT {'7-j l 4, l lC "-l C l-l Ol L 9 l 9l l '- l <f l / [ -- l 7 l -l l?l yl0_l{-l ,'j ~~l 7 8 57 50 59 60 61 88 69 74 75 80 EVENT DESCRIPTION EE l D + -. ~ n h ~S d ir , - I'L o ,_ _ _ m - 1 17 , d

.L 1 2 -

% Jd se r m .. _ ; ,, i tt - I 7 89 -

80 00 4 St t*- u v e _ A e ,- - c -t f c e a s d> .% e+e=c -*-~

-s - %d 3 e( uc: h; I 7 89 '

80 El 1-+-or -u-_;,ee . , . tm e u-T

% .d' , e .. Tu m d.::. .m1- - .:. % -

7 89 - '

80 Sl 1 = 20 ,A

. n Te d E,ez e' w - e_ '_ : t t m e.t A O'~. 5 % i--m. - N 7 89 '

80 UE l % -d I c-, ,

7 89 <

p,,,, 80 SYSTEM CAUSE CCMPONENT COMPONENT CODE CODE COMPONENT CODE SUPPL.ER MANUFACTURA VOLATON nE 121 =l 1Al 121zl=l:12111 l 21 l 2i el vi el lot 7 89 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION UE I A 17'L7  % 6 .. . td . s h e 9 vM.c~ met E m_ e i v~1 Moo li / L E ~. ~  !

7 89 '

80 E v ed u vb 5%~. wm .? . m d ;~ L a s s . .. _ M.% -t ' d i 7 89 ~~ --

80 EE Is69 too Ib /kr w _s !J 64. a, a O a.bb. od tAa_ I . ,__ _ % e :.- - -"'. w. . s.- I 7 89 ' '

80 FACERY METHCO OF STATUS  % POWER OTHEA STATUS O'SCOVERY OISCOVERY DESCAtPT:CN 1

7 8 9 1 hl 10 Iclalcl I .se I la i s-12 13 44 45 46 80 FCAM OF ACTMTV CONTENT AELEASEO OF RELEASE AMOUNT OF ACTMTV LOCATICN OF AELEASE 1

LEJ b_j l e I l em 7 8 9 10 11 44 45 80 PERSONNEL EXPOSUAES NUMBER TYPE DESCAIPTON M le lo l cl Wl e l 7 89 11 12 13 80 PERSONNEL INJURIES NUM8E A DESCAtPTON -

E lClol cl l # h O th ib O' h s S W li} f l 7 89 11 12 ( @QJ){jQ (ijj@gi g gg 80 OFFSITE CONSEQUENCES 3G l e 1 7 89 80 LOSS OR DAMAGE TO FACILITY TYPE DESCAiPTON h

7 89 l

10 M9 80 l

PU8LICITY '

r NE --- n .\ ~ l _.k _* e- *._ b

% i- e- o. r.u w <- c4 %w l 7 89 . EO ADDITIONAL FACTORS k

DG i 7 89 80 BE l 7 89 7 910250 hkC' I 80 NAME: '-' E W*h -

. _ PHONE:*O ' ' M ' S ,'& ,

GPO 801 667