ML19331D650

LER 80-066/03L-0:on 800805,during Normal Shutdown,Conducting Surveillance Procedure F-ISP-8,core Spray Sys Pipe Break Detection Switches 14-DPIS-43A & 43B Found Set Greater than Limit.Caused by Instrument Drift.Instruments Recalibr

ML19331D650
Person / Time
Site:	FitzPatrick
Issue date:	08/28/1980
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
ML19331D645	List: ML19331D644 ML19331D650
References
LER-80-066-03L, LER-80-66-3L, NUDOCS 8009030423
Download: ML19331D650 (1)

Text

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LICENSEE EVENT REPORT

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7 a 5a Si sT NLusta EVENT EVENT OESCR.89CN ANO *ACBABLE CONSECcENCES h 10i: I IOuriae -c -n i ehuedevn. while c en d. ,

• 4., , T*e*~-,-- c ,~ ,413 3. n,. w .. , r_veo_o I l 3 i a ! l Core Spray Syste01 pipe break detection switches 14-DPIS-43A and 433 were found set I l3iA; l at 1.5 and 2.05 PSID respectively when recuired to be set at less than or ecual to I

,3i6; l0.5 PSID by TS Table 3.2-2. Instrument 14-DPIS-433 was also found set at 0.93 PSID 1 l 3 is l lon August 18, 1980. t I

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CAUSE CEScal T:CN ANO COA AEC11VE Acr: CNSh 14 i]i l Caused by Instru=ent drift. In each case the inst'unent was calibre.ted a-d reru - ad  !

yi,l lto service. Surveillance frecuenev was increased to once each veet<. Nev ev4 - = =  !

,, , , lof different design are expected to arrive by October 1980 and will be installed as I i ,3l }per=anent corrective action. I t 8A I l BC 7 3 3 s AC:L1 *v 4 ME*wCCOS STAT.S  %#CWEA OWER 37AP,.3 CISOOv ER

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