05000324/LER-1982-144-03, /03L-0:on 821223,routine Surveillance Revealed Suppression Chamber Water Temp Recorder 2-CAC-TR-778 Not Recording Temps on Instrument Chart Paper.Caused by Defective Print Head Solenoid & Print Mechanism Rod

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/03L-0:on 821223,routine Surveillance Revealed Suppression Chamber Water Temp Recorder 2-CAC-TR-778 Not Recording Temps on Instrument Chart Paper.Caused by Defective Print Head Solenoid & Print Mechanism Rod
ML20028F369
Person / Time
Site:  
Issue date: 01/21/1983
From: Pastva M
CAROLINA POWER & LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20028F365 List:
References
LER-82-144-03L-01, LER-82-144-3L-1, NUDOCS 8302010287
Download: ML20028F369 (2)


LER-1982-144, /03L-0:on 821223,routine Surveillance Revealed Suppression Chamber Water Temp Recorder 2-CAC-TR-778 Not Recording Temps on Instrument Chart Paper.Caused by Defective Print Head Solenoid & Print Mechanism Rod
Event date:
Report date:
3241982144R03 - NRC Website

text

NRC FORM 366 U.S. NUCLEAR REGULATIRY COMMISSION (7-77)

LICENSEE EVENT REPORT CONTROL BLOCK: l l

l l

l l

lh (PLEASE PRINT OR TYPE ALL REQUIRED INFtRMATION)

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LICENSEE CODE 14 15 LICENSE NUMBER 25 26 Li^ENSL TYPE JD 57 CAT 58 CON'T lO!1l l L l@l 0 l 5 l 0 l - l 0 l 3 l 2 l 4 hl 1 l 2 l 2 l 1 l 8 l 2 lhl l

l l

l l lh S nCE 7

8 60 61 OOCKET NUMBER 68 69 EVENT DATE 14 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h isl2l l Routine surveillance. durine ninnt shnranun nnorneinn-rnua,1oa ehne c,n n va c c a n,,

l lOt3l l chamber water temperature recorder. 2-CAC-TR-778. Inmrod on *hn vmn e n c h i,

  • d nun l

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10141 l panel was showing expected indications of re-nornhivos. hive e,c nne varnvA4 IO I5l lon the instrument chart paper.

Similar reportable events involving this instrument l

l O l61 l have occurred before. the nrevinna nna ronnrrod in T FR 7-R7-170.

Thic event did nne l l0l7l l affect the henith and snfety of the nublic.

l LO 18 I I Technical Snecifications 3.3.5.2. 6.9.1.9h I

7 8 9 80 SYSTEM

CAUSE

CAUSE COMP.

VALVE CODE CODE SU8 CODE COMPONENT CODE SU8 CODE SU8 CODE Q

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10 11 12 13 18 19 2C SEQUENTIAL OCCURRENCE REPO'1T PdVISION LE R /RO EVENT YEAR REPORT NO.

CODE TYPi N O.

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Q gU 22 23 24 26 27 28 29 30 31 32 KN AC ON ON LANT ET HOURS 22 S8 i FOR B.

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40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h i1l0llA defective print head solenoid and print mechanism push rod assembly in th= TR-778 J

l1 l 1 l l prevented the instrument from recording indications. The print head solenoid and I

, 7 l push rod assembly were replaced and the instrument, Model No. 550, was returned to l

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! service.

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7 8 9 80 ST S

% POWER OTHER STATUS DIS O RY DISCOVERY DESCRIPTION Wh l 0 l 0 l 0 l@l NA l

(,A_j@l Operator Surveillance l

1 5 A TIV TY CO TENT l

RELEArED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE LzJ @ l z 181 N^

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8 9 to 11 44 45 60 PERSONNEL EXPOSURES NUMBER CESCRIPTION '

l 0l 0l 0lhlTYPEZlhlNA l

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PERSONNE L INJU IES NUMBER

DESCRIPTION

lIlTl l 0l 0l 0l@lNA l,

7 8 9 11 12 80 LOSS oF OR DAMAGE TO FACILITY TYPF

DESCRIPTION

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8 9 10 8302010287 830121 80 O

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7 8 9 10 68 69 80 3 asWa, A.

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NAME OF PREPARER PHONE:

's LER ATTACHMENT - RO #2-82-144 Facility: Unit No. 2 Event Date: December 23, 1982 Due to a history of similar events involving this recorder en both units, plant modifications are being developed which will-replace the instrumentation presently utilized with other type instrumentation considered to have more reliable operating characteristics, t

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