ML19318C494

LER 80-016/03L-0:on 800529,during Instrument Calibr, Instrument Was Dropped on Trip Throttle Valve Linkage, Tripping Valve & Making Pump Inoperable for 3 Minutes. Caused by Personnel Error

ML19318C494
Person / Time
Site:	Prairie Island
Issue date:	06/27/1980
From:	Hunstad A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19318C485	List: ML19318C484 ML19318C494
References
LER-80-016-03L, LER-80-16-3L, NUDOCS 8007010529
Download: ML19318C494 (1)

Text

(7-77) y LICENSEE EVENT REPORT v

CONTROL BLOCK: l l l l l l lh (PLEASE PRINT CG TYPE alt. f.EIUIRE3 INF!RMATION) 1 6

~

l1JO11 57l1CATl 681l@

l le d8l9M l N l PCODE UCENSEE l I l N l 2 l@150 l 0UCENSE 14 l- l 0 l0 l 0 l 0 l 0l25 -l026 l 08.lCENSE NUMBER l@ 4TYPE l@l i ON'T l0lil Z,y Ql 0 l 5 l0 l 0 l0 l 3 l 0 l 6 @l 68 0151219 69 l 8 l 0 @l0 75l 6 lREPORT 74 2 l 7DATEl 8 In80l@

7 8 60 61 DOCKET NUM8ER EVENT DATE EVENT OESCRIPTION AND PROBABLE CONSEQUENCES h

[OTTl l While performing an instrument calibration in the area of No. 22 Auxiliary 1 10 l 3 l l Feedwater Pump, an I & C specialist dropped an instrument on the trio throttle valve l 10 l4 l l linkage, tripping the valve and makinn the numn inoperabl~e for three eninutes. The !

IOisl I event was annunciate L in the control room since the Desian Channe referenced in 1 0 6 L RO, 80-13 has been .ed. No effect on nublic health and safety since redundan t l l0 l7l l equipment 'was operat, Spec 3.4.A.2.b applies. I 10181 l 80 l

7 8 9 E CODE S8 DE COMPONENT CODE SUB O'E SU E lOisi l c l N l@ W@ Lc_j@ lv IA lL lV l0 lP lh Wh W h 10 19 20

-7 8 9 11 12 13 18

_ SEQUENTIAL OCCURRENCE REPORT REVISION LE R/RO EVENT YEAR REPORT NO. CODE TYPE N O.

h , reg u

_ 21 18 l0 l 22

[---J 23 l 0 l1 l6 l 24 26 27 l 0l 3l N N W30

[--J 31 d

32 KN ACT ON ON PL NT ME HOURS S8 i FOR 8. SU Li MANUF CTURER

[nj@Ln_l@ L1J@ [2J@ l ol ol of ol 37 InJ@

41 la_l@ LA_]@ Ic h ls la l@

33 34 35 36 40 42

• 43 44 47 CAUSE OESCRIPTION AND CORRECTIVE ACTIONS h gl Personnel error. Involved personnel will review this report. I i i i l i 2 I I I

L'_L_1 l i 4 I I 7 8 9 80 ST S  % POWER OTHEr STATUS Dls O RY DISCOVERY DESCRIPTION i 5 Wh l0 l6 l0 lhl N/A l [f_j@l Control room nra unciation l ACTIVITY CO TENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE i 6

@ l NA l l NA l 7 8 9 to @ 11 PERSONNEL EXPOSURES 44 45 80 NUMBER TYPE DESCRIPTION y l 0 l 0 l 0 l@l Z l@l NA l PERSONNE L INJURIES NUMBER DESCRIPTION i a NA l 8 9 l 0 l 0 l 0 l@l 11 12 80 LOSS OF OR DAMAGE TO FACILITY Q TYPE DESCRIPTION v y y@l NA l 80 7 8 9 to PUBLICITY NRC USE ONLY

• 2 O W 10 @l DESCRIPTION ISSUED NA l l l l l l l l l l l l {J *g 7 8 9 68 69 80 5 NAME OF PREPARER

. . Hunstad PHONE:

M2484W {

80 07 01051c) ,