05000280/LER-1980-037-03, While Performing Periodic Test 26.1,radiation Monitor RM-SV-111 Found Inoperative. Caused by Spare Lug Short Causing Erroneous Indications. Lug Removed.Monitor Returned to Svc

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While Performing Periodic Test 26.1,radiation Monitor RM-SV-111 Found Inoperative. Caused by Spare Lug Short Causing Erroneous Indications. Lug Removed.Monitor Returned to Svc
ML18139B302
Person / Time
Site: Surry 
Issue date: 05/07/1981
From: Joshua Wilson
VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML18139B300 List:
References
LER-80-037-03X, LER-80-37-3X, NUDOCS 8105120486
Download: ML18139B302 (2)
v • d • e


LER-1980-037, While Performing Periodic Test 26.1,radiation Monitor RM-SV-111 Found Inoperative. Caused by Spare Lug Short Causing Erroneous Indications. Lug Removed.Monitor Returned to Svc
Event date:
Report date:
2801980037R03 - NRC Website
v • d • e

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While* performing Periodic Test 26. l, Radiatign Monitor BH:SY-J J J was found to J;,e inoperative.

This is contrary to Technical Specification 3. 7.E Table 3. 7-5 and is

((ill! reportable as per Technical Specification 6.6.2.b.(4).

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"UPDATED REPORT-PREVIOUS REPORT DATED 08""'.06-80 ATTACHMENT l -(PAGE l of 1)

SURRY POWER STATION, UNIT 1 DOCKET NO:

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REPORT NO:

80-037/JJ3X-l EVENT DATE:

7-11-80 TITLE OF EVENT:

RADIATION MONITOR (RM~sv~111) "INOPERATIVE

1.

DESCRIJ;'TION OF *EVENT:

While perfonning PT-26.1, (Air* Ejecto:r Discharge Monitor), RM-SV-111 was found to be inoperative.

This is contrary to Technical Specification 3. 7.E Table 3.7-5 and is reportable as per Technical Specification 6.6.2,b.(4).

2.

PROBABLE CONSEQUENCES AND

  • STATUS OF *""REDUNDANT *SYSTEMS:

The release limits delineated in Technical Specification 3.11.A and 10 CFR 20 were not exceeded.

The health. and safety of the pu6lic were not affected.

There is no redundant monitor.

3.

CAUSE

The radiation monitor failed because a wire lug-shorted the terminals-for the 16V power supply.

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4.

IMMEDIATE CORRECTIVE ACTION

Health Physics sampled the Air Ejector discharge and found it within the limits of Technical Specification 3.11.A.

The monitor was repaired and returned to service.

5.

SUBSEQUENT CORRECTIVE *ACTION:

  • :No!l~~ ~~-ons!_d~!~_d_;_;_!:.c~s~aE_y: *
6.

ACTION TAKEN TO PREVENT RECURRENCE:

The Periodic Testing program is* designed t.o locate this type of failure in a timely manner, therefore, no further action is required.

7.

GENERIC IMPLICATIONS:

None.

-*- -~----- ******-**-~-*-~~

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