05000317/LER-1980-018-03, /03L-0:on 800401,Number 11 Control Room Air Conditioning Unit Taken Out of Operation for Maint.Caused by Need to Calibr Outside Air Temp Transmitter 0-TT-5350. Transmitter Calibr & Placed Back in Svc

/03L-0:on 800401,Number 11 Control Room Air Conditioning Unit Taken Out of Operation for Maint.Caused by Need to Calibr Outside Air Temp Transmitter 0-TT-5350. Transmitter Calibr & Placed Back in Svc

ML19309G422
Person / Time
Site:	Calvert Cliffs
Issue date:	04/30/1980
From:	Heibel R, Rizzo P BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19309G420	List: 05000317/LER-1980-018, Forwards LER 80-018/03L-0 05000317/LER-1980-018-03, /03L-0:on 800401,Number 11 Control Room Air Conditioning Unit Taken Out of Operation for Maint.Caused by Need to Calibr Outside Air Temp Transmitter 0-TT-5350. Transmitter Calibr & Placed Back in Svc
References
LER-80-018-03L-01, LER-80-18-3L-1, NUDOCS 8005060276
Download: ML19309G422 (2)

LER-1980-018, /03L-0:on 800401,Number 11 Control Room Air Conditioning Unit Taken Out of Operation for Maint.Caused by Need to Calibr Outside Air Temp Transmitter 0-TT-5350. Transmitter Calibr & Placed Back in Svc

Event date:
Report date:
3171980018R03 - NRC Website

text

LICENSEE EVENT REPORT 8 0 05 0 6 0 2 2f,

~

CONTROL BLOCK: l l

l l

l l lh (PLEASE PRINT CR TYPE ALL REQUIRED INFORMATl!N) 1 6

IMIolcIcIN!1l@lnlnl Inl0lnlnlnl_lninl@l4l1l111l1l@l l

l@

0 t

- 7 8 9 LICENSEE CODE 14 15 uCENSE NUM8ER 25 26 LICENSE TYPE JO 57 CAT SS CON'T hse l L ]@[0 l 51010101311 17 l@l014 l'0 l118 lo l@lo 1413 In la In l@

O 5 7

8 80 61 DOCKET NUM8ER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND FROBABLE CONSEQUENCES h 10121 I At 1030 on April 1,1980, number 11 control mom air conditioning unit was I

g 51 ij l taken out of cperation for maintenance. With repairs to the pneumatic control i

10141 l system comolete the unit was returned tn <prvice at 1919 nn anr41 1, 1onn, The l

IO l s i I redundant air conditioning unit was operable throuOhout this event.

(T.S. 3.7.6.1)

I [5 TE'l IThis is not a repetitive event.

I i

O 7 I l

10181 l 7

8 9 E

CODE SUSC E COMPONENT CODE SUS ode SU E

LO_1p_l l S I G l@ [_E_j@ LEJ @ d l N l 5 l T l R l U l@ l Tl@ lZ._j @

7 8

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

CODE TYPE NO.

@,agO,g 18101

{--J 1011181 LcJ 10131 LLJ L_1 Lo_]

._21 22 23 24 26 27 28 29 30 31 32 K N AC O ONP NT ME HOURS SB i FOR 8.

SU L

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MA UFAC RER LE_J@LI.j@

LZJ@

L11@

loIoIoIoI Ly_1@

Ly_J@

Laj@

l.i I n I 7 I i l@

JJ 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS li 101 IThe reauired maintenance was calibration of nennher 11 air ennditinninn unit'e I

toutside air temperature transmitter 0-TT-5350. This pneumatic instrtunent Linhnenn f

i i I

li 121 l Controls, Inc. Model T-5210) had been found to have no oradual outnut sinnal channo.

L'_L3_J lresulting in the makeuo air damoer losino ite modulatino canability The tennemit+ar I Iwas calibrated and placed back in service.

I i 4 ST 5

% POWER OTHER STATUS is O Y

DISCOVERY DESCRIPTION l_'_L_J LE_J@ l 110 l 0 j@l NA l

[A_j@loPERAToRoRSFRVATinN I

ACTIVITY CO TENT AMOUNT OF ACTIVaTY LOCATION OF RELEASE RELEASE @D OF RELE ASELZ_j@l NA l

l NA l

[Z_j 1 6

,ERsO~~ELEx,0ssEs OEsCRi, TION @

~ UMBER Tv,E I

ITTTl 10 lo lo l@Lzj@l na

,ERso~~El'IN;uLs NUMBER

DESCRIPTION

I i

l [TT71 lo lo lo l@l NA 80 l

7 8 9 11 12

'fv,5

1. s'C 5 '

"^

E

,T O~

LZ_J@l NA l

' 9 80 7

8 9 to E LN_j@l NA I

lllillllll11li is5UE

DESCRIPTION

68 69

80. E 7

8 9 to R. P. HEIBELl')

n_ p!ZZO PHONE: ( 301 Wo_a7Aziavec E,

NAME OF PREPARER

LER NO.

80-18/3L DOCKET NO.

50-317 l

EVENT DATE 04/01/80 REPORT DATE 04/30/80 ATTACHMENT CAUSE DESCRIPTION AND CORRECTIVE ACTIONS:

(CONTINUED)

This instru:.ent is presently calibrated under the Preventive Maintenance Program on an annt.'l basis. No further preventive action is deemed necessary 1

at this time.

)

1 l

I I

i 1