05000293/LER-1981-003-03, /03L-0:on 810123,heat Detector Failed in Diesel Generator a Room.Detector Alarm Could Not Be Reset.Cause Not Stated.Jumper Added to Eliminate Alarm on Control Room Panel C-114 Until Sys Repaired.Detector Replaced & Jumper Re

/03L-0:on 810123,heat Detector Failed in Diesel Generator a Room.Detector Alarm Could Not Be Reset.Cause Not Stated.Jumper Added to Eliminate Alarm on Control Room Panel C-114 Until Sys Repaired.Detector Replaced & Jumper Removed

ML19341C258
Person / Time
Site:	Pilgrim
Issue date:	02/23/1981
From:	Mcloughlin M BOSTON EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML17193A954	List: 05000293/LER-1981-003, Forwards LER 81-003/03L-0 05000293/LER-1981-003-03, /03L-0:on 810123,heat Detector Failed in Diesel Generator a Room.Detector Alarm Could Not Be Reset.Cause Not Stated.Jumper Added to Eliminate Alarm on Control Room Panel C-114 Until Sys Repaired.Detector Replaced & Jumper Re
References
LER-81-003-03L, LER-81-3-3L, NUDOCS 8103020553
Download: ML19341C258 (1)

LER-1981-003, /03L-0:on 810123,heat Detector Failed in Diesel Generator a Room.Detector Alarm Could Not Be Reset.Cause Not Stated.Jumper Added to Eliminate Alarm on Control Room Panel C-114 Until Sys Repaired.Detector Replaced & Jumper Removed

Event date:
Report date:
2931981003R03 - NRC Website

text

NCC FORM 366 U. S. NUCLEAR REGULATORY COMMISSION (7 773 LICENSEE EVENT REPORT NTROL BLOCK: l l

l l

l l lh (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) l 6

la j gl Mj A j P l P l S l I gl150l0l-l0l0l0l0l0j-jol0lgl4l1l1l1]1lgl l

lg 7

8 9 LICENSEE COOE 14 LICENSE NUMBEM 25 26 LICENSE TYPE JO

$7 L A T $8 CON'T IL}@l0l5l0l-l0l2]9l3 @lOl1l2l3l8l1l@l0]2l2}3l8l1l@

10111 So RCE 7

8 60 61 DOCKET NUV8ER 68 6'J EVENT DATE 74 75 REPORT DATE 60 EVENT DESCRIPTION AND PROBA8LE CONSEQUENCES h l O 12 i I On January 23, 1981 at approximately 1350 hrs. while performing routine surveillance l test 8.B.7 entitled " Fixed Dry Chemical System" a heat detector in the

'A' Diesel l

O;3; ;

1014 l l Generator room failed. The heat detector alarm which was initiated during the test l l0Isl l could not be reset. A fire watch was immediately initiated as a compensatory measure; gg] l until the sensor could be repaired. On January 31, 1981 the heat detector was re-l 10 l 7 l l placed, the system satisfactorily tested and returned to service and the fire l

I O Ie i I watch terminated.

]

C E CODE SUSCO E COMPONENT CODE SUSC00'E SU E

l0191

'l Al Blh (Ejh l G lh lT lN lS lT lR lU lh lE l@ W @

7 8

9 to 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION g

LE R/RO EVENT YEAR REPORT No.

CODE TYPE NO.

h aEg W

l-l 1010l3l l/l l0 l3 l lLl

[---J l0 l yu

_ 21 22 23 24 26 27 N

3 30 31 32 K f AC ON PL NT MET O HOURS S8 ITT FOR 8.

SUPPL E M ANUF ACTURE R lAl@lZl@

lZl@

lZl@

l0l0l0l0l W@

l N l@

lAl@

l P l 4 [ 3 l 5 l@

33 34 35 36 3/

40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l3 l0ll A jumper was added to the system to climinate an alarm which was being generated on ;

i,y,jg panel C-114 in the control room, until the system was repaired. An entry was in the ;

" Lifted Wire and Temporary Jumper Log" as entry number 81-1.

The detector was re-g 1981.

placed in-kind, jumper removed and system returned to normal on January 31, l

,,,3, i

l i 101 I 80 7

8 9 STA

% POWER OTHER STATUS S

RV OISCOVERY OESCRIPTION N.A.

l l B l@l Routine Testing l

I1 15 l l El@ l 1 l 0 l 0 l@l 8

CO0 TENT AMOUNT OF ACTIVITY @ l ACTIVITY LOCATION OF RELEASE RELEASED OF RELEASE N.A.

l N.A.

l l1 l6 l d @ W@l PERSONNEL EXPOS ES NUMBER TYPE

DESCRIPTION

l1l71 l0 10 l0lhlZlhl N.A.

l PeRSONNe'L iN;U7iEs NUU8ER

DESCRIPTION

N.A.

l y l0 l0 l0l@l 7

8 9 11 12 80 LOSS OF OR DAMAGE TO FACILITY TYPE

DESCRIPTION

N.A.

l

@l 1 9 7

8 9 10 80 ISSU]E @DE CRIPTION b.

l N.A.

l l l l l l~l I l l l l l l 5 [2 l O_j 68 69 80 *,

Y 8 9 10

• ~ "'** """"

617-746-7900

{

81030A0660 'aee^asa

""o" E: