05000318/LER-1981-005-01, /01T-0:on 810118,w/reactor Coolant Sys at 220 F & 230 Psia,Presssure Transmitter Failed High,Causing Power Relief Valve RC-404-ERV to Open.Caused by Loose Oscillator/ Amplifier Assembly within Transmitter 2-PT-103-1

/01T-0:on 810118,w/reactor Coolant Sys at 220 F & 230 Psia,Presssure Transmitter Failed High,Causing Power Relief Valve RC-404-ERV to Open.Caused by Loose Oscillator/ Amplifier Assembly within Transmitter 2-PT-103-1

ML20003A291
Person / Time
Site:	Calvert Cliffs
Issue date:	01/29/1981
From:	Davis S BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20003A288	List: 05000318/LER-1981-005, Forwards LER 81-005/01T-0 05000318/LER-1981-005-01, /01T-0:on 810118,w/reactor Coolant Sys at 220 F & 230 Psia,Presssure Transmitter Failed High,Causing Power Relief Valve RC-404-ERV to Open.Caused by Loose Oscillator/ Amplifier Assembly within Transmitter 2-PT-103-1
References
LER-81-005-01T, LER-81-5-1T, NUDOCS 8102030426
Download: ML20003A291 (1)

LER-1981-005, /01T-0:on 810118,w/reactor Coolant Sys at 220 F & 230 Psia,Presssure Transmitter Failed High,Causing Power Relief Valve RC-404-ERV to Open.Caused by Loose Oscillator/ Amplifier Assembly within Transmitter 2-PT-103-1

Event date:
Report date:
3181981005R01 - NRC Website

text

NRC FORM 366 U. S. NUCLEAQ REIULATORY COMMISSION (7-77) n LICENSEE EVENT REPORT

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8 60 61 OOCKET NUM8ER 6d 69 EVENT DATE 14 7%

RE#0RT DATE 80 EVENT DESCRIPTION AND pro 8 ABLE CONSEQUENCES h l o l 21 l At 0847 with the Reactor Coolant System (RCS) at 220 dentres F 3nd 230 I

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osia, a nressure transmitter fail.d hicn causine rower relief valve RC-1 I o l41 1 404-ERV to ocen. After the orerator verified the oren valve, he closed l

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the blockinc valve teminatino the discnarce.

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