ML20010H737

LER 81-039/03L-0:on 810819,during Operational Transient of Reactor Bldg Closed Cooling Water Pumps,Heat Exchanger Was Subjected to Excessive Sys Flow Causing Tube Failure.Caused by Inadequate Operating Procedures.Faulty Tubes Repaired

ML20010H737
Person / Time
Site:	Oyster Creek
Issue date:	09/18/1981
From:	Fickeissen K JERSEY CENTRAL POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20010H736	List: ML20010H735 ML20010H737
References
LER-81-039-03L, LER-81-39-3L, NUDOCS 8109290248
Download: ML20010H737 (1)

Text

_ . - . . . ~

_. ' 7 -

..U. S. NUCLE AR RE2UI.ATOf.Y COMMISSION SC PMM 350 **'

• F77) * '

tlCENSEE EVENT REPORT .

' CONTROL SLOCK: l l l l l l l (PLEASE PRINT OR TYPS ALI. REQUIRED INFORMATIONI

e@ I e l t l l Nl Jl O l C lP l 1l@l 0 l 0 l- l'0-l0 l 0 l 0 l 0 l- l0 2$l0 l@l 4UCEN 26 l111 L TYP1 11JOl1 l@l l

DI M I $$

l@ ,

S 9 LICEr43EE COOE 14 IS LICEr4SE NUMSER

ON'T 88 9l1l S

-3 % l$4L @l 0l 5lOOCKET 64 0 l 010NUMSER l211 l9 69@l018l1l918 68 EVENT OATg l1 l@l 0] 9lll8l8l1l@

74 76 REPORT OATE 80 '

EVENT DESCRIPTION AND PROSA8LE CONSEQUENCES h I

O l 2.t l During an operational transient of the RBCCW pumps, a RBCCW heat g ; exchanger wa's subjected to an excessive system flow. Resultant __ _ l o g ., i l tube vibration caused a tube failure. The safety significance l

/

O # s ; ; is considered muumal because of the small anount o'f PBCCW System l lC te t i leakage.

l r l

f (Ol7i i -

I I Ol8i l 60

• EI'[ ."$cTE sue $$a COMPONENT CODE SLE O'E $ OOE fi O191 l Wl Bl@ l Dl@ l Zl@ [ H l T l E lX lC lH l@ lCl@ g @ 18 19 20

& 9 to 11 12 13 OCCURRENCE REPORT REVISION 1 SEQUENTIAt.

,, EVENT YEAR REPORT NO. COOE TYPE NO.

@ a<ER20 L

' .g 1811I l-l 1 01 3l 9l l/l l 0l 3 l l Ll l-l l0l 32 23 24 26 27 28 29 20 31 21 22 Sei POR 8. su u MA U URER

'C A O O P T . ME O HOURS lBl@lGl@

33 34 lZl@

35 l36Z l@ l 01 Ol 010 l 37 40 d@

el lNl@

42 lL 43 l@ l44B I 5 l 7 l 047 l@

CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l

[,;ol l Inadequate operating procedu es resulted in a RBCDV System surge. ,

[i,,,l The heat exchangers were isolated one at a time and faulty tubes t

[i 1 x 1 I wem MPaimd. ,

1 I it tal I l I

!i # 41 !

80 OTHER STATUS DISC Y DISCOVERY DEWRIPTION 5T  % POWER Operator Observation l it i s j l,,1]Lj @ l 0 1 0 l0 I@l NA l lA l@l*

• 8 ** "

l 4EriviTY C tOCATiON OP REu=E @

Us1IZl@00,O'ETENT uuut REauE lZl@l 4MeUNTO,4cTiviTv NA A4

@l l 45 NA 80 l

8 9 to 11 PEksOetNEL EXPO 5URES TYPE DETCRIPTION NUMOE R NA _,j [

is i 71 l010 l0 (@l Z (@l"

• nRsO NELiN2ULs -

Nuo.ER DEsCRi,TieN@

NA l i t a l 10101011l@l12 80 f 8 9 (

LOSS OP OR OAMACE TO PACILITY TY3E DESCRIPTION NA l 1 l 9 l l Z l@lto 3 9 NRC USE ONLY 4 >

PutLactTY issutOgESCRtPTION 0109290240 B10918 Weekly News Release I ca se IIlIlIIIIIIIl%

• K.O.E. Fickeissen', Jr. . ,,,, so.h

]DRADOCK05000 - .. _ .. _6_09_-69_3. -6776 .