ML17317B190

LER 79-015/03L-0 on 790409:during Plant Startup,Small Crack & Pinhole Leak Found in Body of FMO-232,at Inlet Side of Valve Adjacent to Weld.Cause of Crack Not Determined. Radiographs of Area Reviewed

ML17317B190
Person / Time
Site:	Cook
Issue date:	05/09/1979
From:	Wizner D INDIANA MICHIGAN POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17317B189	List: ML17317B188 ML17317B190 ML17317B191
References
LER-79-015-03L-01, LER-79-15-3L-1, NUDOCS 7905150493
Download: ML17317B190 (2)

Text

NRC FORM 366 U. S. NUCLEAR REGULATORY COMMISSION I7-77)

ICENSEE EVENT REPORT COII)TROL BLOCK: Ql (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

I 6

~oi M I 0 C LICENSEE CODE C 2>

14 Q20 15 0 0 0 0 0 LICENSE NUMBER 0 0 0 25 Q24 26 I I I I LICENSE TYPE 30 Q4~Qs 57 CAT 58 7 8 9 CON'T

~LQs 0 5 0 0 0 3 I 0 Qoo 4 0 9 7 9 Qs 0 5 0 9 7 'Qg 68 69 EVENT DATE 74 75 REPORT DATE 80 7 8 60 61 DOCKET NUMBER EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Qlo

~O2 DURING PLANT STARTUP A SMALL CRACK AND PINHOLE LEAK WAS FOUND IN THE BODY

~O3 OF FM0-232, AUX. FEEDWATER TO 53 S/G MOVE AT THE INLET SIDE OF THE VALVE 4 ADJACENT TO THE WELD. SYSTEM WAS REMOVED FROM SERVICE CONSTITUTING IN-

~OS OPERABLE FLOW PATH PER T.S. 3.7. 1.2. THE CRACK WHICH WAS'APPROX. 3/8" LONG WAS GROUND OUT AND THE AREA WAS REPAIRED BY WELDING. NDE INCLUDED PT RT AND HYDROSTATIC TEST AT 2100 PSIG. ACTION RE UIREMENTS OF TECH.

SPECS. WERE COMPLIED WITHE HEAL'TH AND SAFETY OF THE PUBLIC WAS NOT JEOPARDIZED.

~OB 80 7 8 9 SYSTEM CAUSE CAUSE COMP. VALVE

~C~

CODE 10 Qi' CODE 022 SUBCODE

~COig 12 13 V A i COMPONENT CODE V E X Ois 18 SUBCODE

~EOis 19 SUBCODE LJOis 20 7 8 9 11 SEQUENTIAL OCCURRENCE REPORT REVISION Q>>

LF RgRP sssoss EVENT YEAR

~79 21 22

+

23

~OZ 24 REPORT NO.

5 26

+W 27

~ll 28 ATTACHMENT CODE 3

29 NPRDP TYPE 30 PRIME COMP.

31 32 NO.

COMPONENT

~ ~

ACTION FUTURE EFFECT SHUTDOWN TAKEN ACTION

~Q18 33

~

34 Qig ON PLANT

~~Q20 35

~

METHOD 36 O2i 37 HOURS +22 40 SUBMITTED 41 Q22 FORM SUB.

42 Q24 SUPPLIER 43 Q28 44 MANUFACTURER c 3 0 0 47 Qgs CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q2I o CAUSE OF THE CRACK COULD NOT BE DETERMINED. RADIOGRAPHS OF THE AFFECTED AREA WHICH WERE ON FILE WERE REVIEWED, BUT DID NOT REVEAL ANY INDICATIONS IN THE VICINITY OF THE CRACK. NO SIMILAR PROBLEMS HAVE BEEN DETECTED ON LINES TO 1'

THE OTHER S/G'S. NO FUTURE ACTION IS PLANNED.

4 80 7

8 8 9 FACILITY STATUS C Qgs ~01

% POWER 2 Qgs OTHER STATUS NA

~

~3P METHOD OF DISCOVERY

~AQsi DISCOVERY DESCRIPTION Q32 OPERATOR OBSERVATION 8 9 10 12 13 44 45 46 80 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY Q LOCATION OF RELEASE Q36

~s 7 8

~z 9

Qgg ~zO 10 11 NA 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q39 2 ~00 0 Qgi 12 2 Qog 13 NA i 80 7 8 9 11 PERSONNEL INJURIES NUMBER DESCRIPTION Q41 8 ~oo 0 Q4o 12 NA 80 7 8 9 11 LOSS OF OR DAMAGE TO FACILITY 43 TYPE DESCRIPTION Z Q42 NA 8 9 10 80 7

O ISSUED PUBLICITY L~JQ44 DESCRIPTION ~ NRC USE ONLY 68 69 80 i8 7, 8 9 IO NAME OF PREPARER DAVID G. WIZNER PHONE. (616) )65-5901 EXT. L 398

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