05000255/LER-1979-040-01, /01T-0:on 790927,ultrasonic & Radiographic Examinations Revealed Linear Cracklike Indications on 18- Inch Main Feedwater Lines Inside Containment.Cause Unknown. Approx 28 Inches of Main Feedwater Pipe Being Replaced

/01T-0:on 790927,ultrasonic & Radiographic Examinations Revealed Linear Cracklike Indications on 18- Inch Main Feedwater Lines Inside Containment.Cause Unknown. Approx 28 Inches of Main Feedwater Pipe Being Replaced

ML18043B100
Person / Time
Site:	Palisades
Issue date:	10/12/1979
From:	CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML18043B099	List: 05000255/LER-1979-040, Forwards LER 79-040/01T-0 05000255/LER-1979-040-01, /01T-0:on 790927,ultrasonic & Radiographic Examinations Revealed Linear Cracklike Indications on 18- Inch Main Feedwater Lines Inside Containment.Cause Unknown. Approx 28 Inches of Main Feedwater Pipe Being Replaced
References
LER-79-040-01T, LER-79-40-1T, NUDOCS 7910190369
Download: ML18043B100 (1)

LER-1979-040, /01T-0:on 790927,ultrasonic & Radiographic Examinations Revealed Linear Cracklike Indications on 18- Inch Main Feedwater Lines Inside Containment.Cause Unknown. Approx 28 Inches of Main Feedwater Pipe Being Replaced

Event date:
Report date:
2551979040R01 - NRC Website

text

'*<.1 PALISADES PLANT NRC FORM 366 (7-77)

U.S. NUCLEAR REGULATORY COMMISSION LICENSEE EVENT REPORT CONTROL BLOCK: I I G)

(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 5

~

7 B I M!I IP I AIL I I 101 o Io I-Io I o(o Io I 01-I 01 o 101 411 1111 11101.! I 9

LICENSEE CODE 14

~5 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 CON'T filTI 7

B

~~~~~~ ~©I o 15 I b I o 10 I 2 I 5.15 GI o I 9 I 211 I 719 l©P-Io 1112 I 7 I 9 IG) 60

. 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES {,Q)

I Ultrasonic and radiographic exa.!nfnations have revealed linear cr~ck-like

~

I indications on the 18" ma.in feedwat-er lines inside containment.

Examina-ITTIJ I tions w_ere being performed as a result of I&E Bulletin 79-13.

Event. reporlj [Q))] I able per Technical Specification 6.9.2.a.9. Additional reports will be

[£))] I made as req_uir~d by I&E Bulletin 79-13.

[ill]

[))))

1 a g [ill]

7 8

COMP.

VALVE COMPONENT CODE SUB CODE SUS CODE

/P g !P !EI XjX I@ !!J @.J@

12 1B 19 20 SYSTEM

CAUSE

CAUSE.

CODE CODE SUB CODE

!H!HI@ L!J@ W 9

10 11 12

(."'.:\\

LE RIRO CV ENT YEAR

~

REPORT

[! j9 I SEQUENTIAL OCCURRENCE REPORT REPORT NO.

CODE TYPE 1.:=J I 01 4 Io I I/

J I o I l I

[!J l=J 23 24 26 27 28 29 30 31 NUMBER 21 22 REVISION.

NO.

l.QJ 32 so ACTION FUTURE EFFECT SHUTDOWN

(.:;::;\\

ATTACHMENT NPRD-4

• PRIME COMP.

TAKEN ACTION ON PLANT McTHOD HOURS SU9MITTED FORM ~us..

SUPPLIER.

COMPONENT MANUFACTURER W@~@ W@

~ I 010 I 01 01

~@ !U@) ~

33 34 35 36 37 40 41 42 43 1z 191 9!9J@)

CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @

44 47 [II§] I Cause unknown.

Approximately 28' of main feedwater pipe to both Steam IIITJ generators is being replaced" o:m 7

8 9

FACILITY

~

STATUS

% POWER OTHER STATUS ~

GTIJ U!J@

I I l@I._ _N __ / A ___

80 METHOD OF

(.;:)\\

DISCOVERY DISCOVERY DESCRIPTION '23.i

~C§_l~._N_D_E~re_s_1ll_,_t_s~~~~~~~~__;,,,_j 7

s 9

10 12 13 ACTIVITY CONTENT Q..

RELE~ED OF R~EAse N/

AMOUNT OF ACTIVITY,::;.i (IliJ L:'.J@ ~@._I _A _____

7 8

9 10 11 45 46 80 N/A LOCATION OF RELEASE @

44

• S 30 PERSONNcL EXPOSURES

(.;;:;\\

ITDJ I 6Tasr o 1@1TYzE1@0N7!TION 8

9 11 121

~3~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~8-JO PERSONNEL INJURIES

~

NUMBER OESCRIPTION6 GJI] I 01 0 I 01@ N/A 7

8 9

11

~12:-'"~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~8~0

~~~~oo O~~S~~~p~~;~ FACILITY@

7 7Qj,l/J,1 r::; o*._'21 l

{.t.f);

~

~(§)~!0_N~/_A~~~~~~~~~~~~~---:~~~~~-~~-'~~-/-~-'~~~~----1 80 PUBLICITY

~

ISSL.'e~:;:;\\ DESCRIPTION 45 QI2J ~61Press Re ease Dated 10/5/79 NRC USE ONLY I I 11IIII1 I I LJ 8

9 10 SS 63 30