05000364/LER-1981-029-03, /03L-0:on 810720,turbine Driven Auxiliary Feedwater Pump Exhaust Radiation Monitor R60D Declared Inoperable Due to Printed Circuit Failure.Caused by Shorted Diode Between Check Source Mounting Hardware & Pc Card

/03L-0:on 810720,turbine Driven Auxiliary Feedwater Pump Exhaust Radiation Monitor R60D Declared Inoperable Due to Printed Circuit Failure.Caused by Shorted Diode Between Check Source Mounting Hardware & Pc Card

ML20010D216
Person / Time
Site:	Farley
Issue date:	08/17/1981
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20010D207	List: 05000364/LER-1981-029-03, /03L-0:on 810720,turbine Driven Auxiliary Feedwater Pump Exhaust Radiation Monitor R60D Declared Inoperable Due to Printed Circuit Failure.Caused by Shorted Diode Between Check Source Mounting Hardware & Pc Card 05000364/LER-1981-030-03, /03L-0:on 810727,steam Generator 2B Steam Flow Transmitter FT-485 Declared Inoperable.Caused by Kerotest Valve Plug Remaining Closed When Valve Handwheel Was Fully Open.Valve Exercised & Valve Plug Opened ML20010D206
References
LER-81-029-03L, LER-81-29-3L, NUDOCS 8108240105
Download: ML20010D216 (1)

LER-1981-029, /03L-0:on 810720,turbine Driven Auxiliary Feedwater Pump Exhaust Radiation Monitor R60D Declared Inoperable Due to Printed Circuit Failure.Caused by Shorted Diode Between Check Source Mounting Hardware & Pc Card

Event date:
Report date:
3641981029R03 - NRC Website

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60 61 CCCKET NLMSER 64 63 EVENT OATE 74 75 RE8C AT OATE 40 EVENT DESCAIPTICN AND PRCS A8LE CONSECUENCES h loi:IlAt 0315 on 7/20/81, the Turbine Driven Auxiliary Feed Water Pumn Exhnust i

10 21 I Radiation Monitor (R60D) was declared inonerable due to a nrinted circuit I

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Tech. Spec. 3.3.3.1 requires Radiation Monitor R60D to be l

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Tech. Spec. 3.3.3.1 action statement requirements were met.

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d 33 34 05 08 Ji 40 41 42 43 44 47 CAUSE CESCPIPTICN AND CCRRECTIVE ACTIONS I,IallThe event was caused bv a short between the check source mountine hardwcre I tiiiiland the PC card which shorted out a diode.

The short was repaired and I

,,,,, ; ;following a channel check, the TDAFWP Exhaust Radiation Monitor R60D was l

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