ML19261A562

LER 78-043/01X-1 on 780616:3 Motors Had Electrical Winding Insulation Qualified to 250 F Rather than 295 F.Motors Were Rewound with Proper Insulation During 1978 Outage

ML19261A562
Person / Time
Site:	FitzPatrick
Issue date:	01/22/1979
From:	W. Verne Childs POWER AUTHORITY OF THE STATE OF NEW YORK (NEW YORK
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19261A560	List: ML19261A559 ML19261A562
References
LER-78-043-01X, LER-78-43-1X, NUDOCS 7901260205
Download: ML19261A562 (2)

Text

n~,_.._ _ . . . . _ _ _ _ . . . . _ _ _ _ . . . _ . . _ _ . . . . _ _ . _ . .

(7 77)

LICENSEE EVENT REPORT CcNTRot BLOC <: l l l 1 I l@ (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) o l1 NlY l J l A l F l 114 l@l15 0 l 0 l - l 0 l LICENSE 0 l_ l0 0 l 0 NU*.tdER 0 l 025l@l26 4 l1LICENSE l1 l1TYPE1J0@l57 CAT l 58 l@

7 8 9 LICENSEE COCE con T 7

0 1 3

5$RCc60 b l@l610 l 5 l 0OOCKET l 0 [NLMBER 0 l 3 l 3 l 36dl@l690 l 6EVENT 6 l 7 l 8 74l@ 750 l 1REPORT l 1 lC ATE l 2 l 2 l 7 l 980l@

OATE EVENT DESCRIPTION ANO PACB ABLE CONSECUENCES h o 2 l Please See Attachment ]

OI3 l 0 4 l 0 5 l 0 6 l  !

O 7 l _

O 8 l 80 7 8 9 SYSTEM CAUSE CAUSE COMP. VALVE CODE COCE SU8 CODE COMPONENT CODE SUSCOCE SV8 CODE O 9 l C l E lg B l@ l A l@ l Vl Al L Vl0lP[@ lZl@ [Zl@

7 8 9 to 11 12 13 18 19 20

. SEQUENTI AL OCCURRENCE REPORT REVISION LER RO EVENT YE AR REPORT NO. CODE TYPE NC.

A E PO R T 7l 8l l __ l l 0l 4j 3l jfl 0 1 lX l l __l 1l

_ 21 22 23 24 26 27 28 29 30 31 32 TA Ef A T ON ON PLANT VET HOURS S8 IT O FO 4 8. SU PPLI E MAN FACTURER

]X 3J lgl34 Xl@ l Zlg 35

]@

36 3/

0l 0l 0j 0 40 l Yl@

41 lYl@

42 l43Al@ lL l2 44 0

O47 l@

cAUSE DESCRIPTION AND CORRECTIVE ACTIONS i O l Please See Attachment i I

i i f i , I 1

i , 1 I i .

I l 7 8 9 80 STA S  % PCWER OTHER STATUS CIS O RY DISCOVERY CESCRIPTION NA Notified by Architect Engineer i 5 l E l@ l0 l9 l2 l@l l Dl@l AC TI VITY CO TENT RELEASED OF RELE ASE AVOUNT OF ACTIVITY LOCATION OF RELEASE NA 7

i o 8 9 W @ W@l to it NA 44 l l 45 80 l

PERSONNEL EXPOSURES NUVBER TYPE DESCRIPTION 39 W g l0l0l0l@lZl@l N, l

• E ASCNNEL INJURIES NUVBER DESCRIPTION 'j 7

i ~4 8 9 l0l0l0l@l 11 12 NA 80 LOSS OF OR DAMAGE TO F ACILITY TYPE D E SC rip TION DOOi OO A "% nP 7 d 9 to

• U V A#'* U V 7V) 80 PUBLICITY NRC USE ONLY DESCRIPTION

• o l Sl ISSUE D@l NA l IIIIIllIIIl!l*

7 8 9 10 68 69 80 $

~ ~

NAME OF PREPARER PHCNE:

ATTACHMENT TO LER 78-043/01X-1 Page 1 of 1 Revision 0 of this LER was submitted on June 23, 1978 and was the 14-day follow-up of a prompt report made by telecopy on June 16, 1978. The prompt report and follow-up provided notification and details relating to the environmental qualification of motors associated with the following motor operated valves:

20-50V-8 2 - Drywell floor drain sump inboard isolation 20-50V Equipment drain sump inboard isolation 13-MOV RCIC steam supply inboard isolation In each case the motor was supglied with electrical winding insulation qualified to 250 F rather than 295 F which could be reached during a design basis loss of coolant accident.

During the 1978 refueling and maintenance outage, each of these motors was rewound with Class H insulation (which meets the 295 F requirements). Following operability testing of the valves, the components were declared fully operable and returned to service without restriction.

.