ML18086A300

LER 81-034/03L-0:on 810210,spent Fuel Pit Telltale Drain 6 Found Leaking.Caused by Defective Seams.Plate Welded Over Defect in Side Wall.Floor Seam Defects Sealed

ML18086A300
Person / Time
Site:	Salem
Issue date:	04/14/1981
From:	STEELE W J Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18086A299	List: ML18086A298 ML18086A300
References
LER-81-034-03L-01, LER-81-34-3L-1, NUDOCS 8104240539
Download: ML18086A300 (1)

Text

' .. C FORM 366 .*1.17) U.S. NUCLEAR REGULATORY COMMISSION

.... ** **. P"'":"'"'__.

e LICENSEE EVENT REPORT e CONTROL BLOCK: I I I fi\ (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

IN I J Is I GI s I 1 I@ p I 0 I -I 0 I 0 I 0 I 0 I 0 I -I 0 I 0 1014 7 B 9 LICENSEE CODE 14 15 LICENSE NUMBER 25 26 I i I i I i I i 101 I I 0 LICENSE TYPE 30 57 CAT 5o CON'T fil2J 7 8 L!J© I o I s I o I o I o I 2 I 1 I 2 101 o I 2 I i I o I 8 I i I© Io I 4 I i 1 4 I s 1 i 10 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT AND PROBABLE CONSEQUENCES@

[£III I During an inspection of the Spent Fuel Pit, a leak of approximately 2.7 liters/hr.

was discovered at telltale drain nwnber 6. The Spent Fuel Pit level has been []]I] maintained at 23 feet of water over the top of the irradiated fuel assemblies

[Q]]J seated in the storage racks in accordance with Technical Specification 3.9.11. Previous similar occurrence:

80-09. ITTIJ L 7 8 9 7 8 SYSTEM CODE IF IB I@ 9 10 LE R RO CVENT YE.A.R \:..:.,J REPORT I 8 11 I NUMBER * *

• 21 22 CAUSE CAUSE CODE SUB CODE COMPONENT CODE L:.J@ I x I x I x I x I x I x I@ 11 12 13 l=:J 23 SEQUENTIAL REPORT NO. I o I 3 I 4 I 24 26 18 OCCURRENCE CODE 1.....-1 1° 13 I 27 28 29 COMP. SUBCODE 19 REPORT TYPE Ll:J 30 VALVE SUBCODE 20 l=J 31 PRIME COMP. REVISION NC. LQJ 32 COMPONENT BO ACTION FUTURE EFFECT SHUTDOWN r:;:::., ATTACHMENT NPR0-4 TAKEt>J ACTION ON PLANT METHOD HOURS SUBMITTED FORM ::.UB. SUPPLIER MANUFACTURER 101010101 33 34 35 36 3 7 40 41 42 I u I 0 1 8 I 0 I@ CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @ 43 44 47 I The apparent cause was leaking welded seams. A stainless steel plate was welded over a defect in a side wall and epoxy was used to seal three defects in floor seams. Inspection of the remaining seams is planned when the fuel racks are relocated.

A supplemental report will address the results of the inspection and any corrective action taken. 7 8 9 FACILITY ljQ\ STATUS % POWER OTHER STATUS 111 0 I 0 l@ ..... I __ N __ /_A __ _ B 9 10 12 11 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF EE] W@l N/A 7 B 9 10 11 7 44 44 PERSONNEL EXPOSURES r:;;:;._ NUMBER (':;:;\TYPE DESCRIPTION METHOD OF DISCOVERY L!J@I Operator 45 46 45 DISCOVERY DESCRIPTION

@ Observation LOCATION OF RELEASE @ N/A 80 80 80 [2l2J I 0 I 0 I 0 16Ll.J@ N A 7 8 9 11 12 ____ .:;.;.;..-=..;;...

______________________________ PERSONNEL INJURIES t:::;\ NUMBER DESCRIPTION6 ol ol NA 7 B 9 11 LO.SS OF OR DAMAGE TO FACILITY f43\ TYPE DESCRIPTION i,::_v EE UJ@ NA 7 B 9 PUBLICITY C\ ISSUEDt,;";;\

NRC USE ONL y "' I2I2J I I I I I I I I I I I I I! 7 s 0_9 4 2. 410, /1' ::!'f . 68 69 80 Q 1 N VV W. J. Steele 609-935-0998

a. O AME OF PREPARER------------------

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