05000336/LER-1979-034-03, /03L-0:on 791103,excessive Leakage Rate Noted on Personnel Access Hatch.Caused by Loose Mounting Bolts on Exterior Door Operating Rod Packaging Gland.Bolts Were Tightened.Interior Door & Glands Were Satisfactory

/03L-0:on 791103,excessive Leakage Rate Noted on Personnel Access Hatch.Caused by Loose Mounting Bolts on Exterior Door Operating Rod Packaging Gland.Bolts Were Tightened.Interior Door & Glands Were Satisfactory

ML19210D367
Person / Time
Site:	Millstone
Issue date:	11/20/1979
From:	Stratman R NORTHEAST UTILITIES
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19210D365	List: 05000336/LER-1979-034-03, /03L-0:on 791103,excessive Leakage Rate Noted on Personnel Access Hatch.Caused by Loose Mounting Bolts on Exterior Door Operating Rod Packaging Gland.Bolts Were Tightened.Interior Door & Glands Were Satisfactory
References
LER-79-034-03L, LER-79-34-3L, NUDOCS 7911260363
Download: ML19210D367 (1)

LER-1979-034, /03L-0:on 791103,excessive Leakage Rate Noted on Personnel Access Hatch.Caused by Loose Mounting Bolts on Exterior Door Operating Rod Packaging Gland.Bolts Were Tightened.Interior Door & Glands Were Satisfactory

Event date:
Report date:
3361979034R03 - NRC Website

text

NRC FORM 3G6 (7 77)

LICENSEE EVENT REPORT CONTROL DLOCK: l l

l l

l l

lh (PLEASE PRINT OR TYPE ALL REQUIRED INFoRMATION) 1 6

e ClT lM IN lS l2 l@l 0l 0l -l 0 l Ol Ol 01 -l O l 01 O l@l 4 l l l 1 l 1 l l l@l l

l@

o i 7

8 9 LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE lVPE JO 57 CAT b8 C oN'T LLj@l015l0l010l313l6l@l11110l3I7l9l@l1l1l?l017l9l@

o i SO nC 7

8 60 61 DOCKET NUMBER G8 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTloN AND PROBABLE CONSEQUENCES h o 2 I While shutdown and nerformino routine si'r tillance on the containment oersonnel I

~

I access hatch, a leakage rate in excess of the limit allowed by Section 3.6.1.3.b I

o a I of the Technical Specifications was noted.

The excessive leakage was the result i

o 4 IoIsl I of a leaking cland on the exterior door operating rod.

The gland was repaiied I

lo lij l and the surveillance satisfactorily ccmo_leted.

There are no probable consecuences I

l of this event, since the plant was operated in accordance with the Action Statement I

o 7 o a i of Section 3.6.1.3 of the. Technical Specifications.

Similar occurrences: none.

I 80 7

8 9 SYSTEM

CAUSE

CAUSE COMP.

VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUSCODE 10191 l Sl Al@ [_E_j@ l B l@ ! Pl El Ni El Tl R[@ l A @ LZj @

7 8

9 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LE R/RO EVENT YE AR REPORT NO.

CODE TYPE N O.

O Rtg l217l9 l-l l 0l 31 - 41

]/l l0 l3 l l Li

[.--J J

nu 22 23 24 26 27 28 29 30 31 32 KN A TO ON PL NT 1 T HOURS 22 S 8 IT FO 1 B.

SU PLI MAN F CTURER

(_B.J@] Z l@

l_Z_j@

[ ZJ@

l 0 l0 l0 l l

l Njg INlg Al@

lC l3 l1 l0 [g 33 34 35 36_

31 40 di 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTloNS h 111011 The cause of the excessive leakage was loose mounting bolts on the exterior door l

li li l operating rod packing gland, piece 59 as shown in Figure II of Chicago Bridae and 1 Iron technical manual 69-5709U.

The bolts were tightened.

No through containment l

i 2 ITTTl I leak' path existed since the interior door and glands we.e found to be satisfactory.

I i 4 l

l 7

8 9 80 A S

% POWER OTHER STATUS IS O RY DISCOVERY DESCRIPTION [Gj @ l010l0l@l NA l

lB[@l Surveillance Test l

i s

' A!TiviTY ColiENT RELEASED OF RELE ASE AMOUNT OF ACTIVITY LOCATION OF RELEASE [Zj @ l Zl@l NA l

l NA l

i o 7

8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE

DESCRIPTION

1 0] 0[0l@lZl@l t

l i 7 PEnSONNE't is;u'ifiE S NUMBER DESCRIP TION l01Ol0l@l NA l

i a 7

8 9 11 12 80

'$5, tsc"^,G,E TD FACILITY @

j q]

j g

' " ^

T og W @l NA l

9 7

8 9 to 80 7Q}lg6Q 3 ISSU E n

DESCRIPTION

L'U81 NA 1

l l l l ; I l 1 l l l l l ;;

2 o 7

8 9 10 68 69 80 5 Robert A. Stratman 203-447-1791 EXT. 544 o