05000338/LER-1980-081-03, Determined That Narrow & Wide Range Resistance Temp Detectors Were Not Calibr Per Tech Spec.Caused by Improperly Specified Test Frequency.New Test Written & Performed: Difference between revisions

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{{Adams
#REDIRECT [[05000338/LER-1980-081-03, /03L-0:on 800923,protection Channel Resistance Temp Detector Discovered Not Calibr within Required Surveillance Interval.Caused by Improper Specified Test Frequency.New Test Was Written & Performed Satisfactorily]]
| number = ML19343C570
| issue date = 03/18/1981
| title = Determined That Narrow & Wide Range Resistance Temp Detectors Were Not Calibr Per Tech Spec.Caused by Improperly Specified Test Frequency.New Test Written & Performed
| author name = Cartwright W
| author affiliation = VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
| addressee name =
| addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
| docket = 05000338
| license number =
| contact person =
| document report number = LER-80-081-03X, LER-80-81-3X, NUDOCS 8103240529
| package number = ML19343C568
| document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT
| page count = 2
}}
{{LER
| Title = Determined That Narrow & Wide Range Resistance Temp Detectors Were Not Calibr Per Tech Spec.Caused by Improperly Specified Test Frequency.New Test Written & Performed
| Plant =
| Reporting criterion =
| Power level =
| Mode =
| Docket = 05000338
| LER year = 1980
| LER number = 81
| LER revision = 3
| Event date =
| Report date =
| ENS =
| abstract =
}}
 
=text=
{{#Wiki_filter:^
UPDATE REPORT - PREVIOUS REPORT DATED 10-17-80 A
U.S. NUCLEAR REGULATORY COMMISSION V
LICENSEE EVENT REPORT CONTROL BLOCK / / / / / / / (1)
(PLEASE PRINT OR TYPE ALL REQUIRED IhTORMATION)
/0/1/
/V/A/N/A/S/1/ (2)
/0/0/-/0/0/0/0/0/-/0/0/ (3)
/4/1/1/1/1 (4)
/ / / (5)
LICENSEE' CODE LICENSE NUMBER LICENSE TYPE CAT
/0/1/
Tg /L/ (6)
/0/5/0/0/0/3/3/8/ (7)
/0/9/2/3/8/0/
(8) /0/3/1/d/8/1/ (9)
DOCKET NUMBER EVENT DATE REPORT DATE EVENT DESCRIPTION AND PROBAELE CONSEQUENCES (10)
/0/2/
/ On September 23, 1980, with the unit in Mode 1, it was determined that each
/
/0/3/
/ narrow range and wide range RTDs had not been calibrated within the required
/
/0/4/
/ surveillance interval. This is contrary to T.S. Table 4.3-1, and Table 4.3-2,
/
/0/5/
/ and Table 4.3-7 and is reportable pursuant to T.S. 6.9.1.9.c.
Immediately upon /
/0/6/
/ discovery a special test was written and performed satisfactorily, to verify that/
/0/7/
/ the_ narrow range RTDs read correctly at one temperature. The health and safety /
/0/8/
/ of the general public were not affected.
/
SYSTEM
 
==CAUSE==
CAUSE COMP.
VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE
/0/9/
/I/A/ (11) /D/ (12) /Z/ (13) /I/N/S/T/R/U/ (14) /E/ (15)
/Z/ (16)
SEQUENTIAL OCCURRENCE REPORT REVISION LER/R0 EVENT YEAR REPORT NO.
CODE TYPE NO.
(17) REPORT NUMBER
/8/0/
/-/ /0/8/1/
/\\/
/0/3/
/X/
/-/
/1/
ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRD-4 PRIME COMP. COMPONENT TAIGN ACTION ON PLANT METHOD HOURS SUBMITTED FORM SUB. SUPPLIER MANUFACTURER
-/E/ (18) LZf( (19) /Z/ (20) /Z/ (21) /0/0/0/0/ (22) f][/ (23) /N( (24) /N/ (25) /R/3/6/9/ (26)
CAUSE DESCRIPTION AND CORRECTIVE ACTIONS (27)
/1/0/
/ The failure to perform the required surveillance test during the first refueling /
/1/1/
/ outage was due to improperly specified test frequency. The test frequency of
/
/1/2/
/ "Special" should have been, " Required every-18 mo."
Since this test as written /
/1/3/
/ requires isothermal conditions throughout the RCS, a new test was written and-
/
/1/4/
/ performed satisfactorily at power.
/
FACILITY METHOD OF STATUS
% POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION (32) l
/1/5/
/E/ (28)
/1/0/0/ (29) /
NA
/ (30) /B/ (31) /
QA Audit
/
ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY (35)
LOCATION OF RELEASE (36)
/1/6/
/Z/ (33)
[Z(.(34) /
NA
/
/
NA
/
PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION-(39)
/1/7/ '/0/0/0/ (37) LZ( (38) /
NA
/
l PERSONNEL INJURIES l
NUMBER DESCRIPTION (41) l
/1/8/ /0/0/0/.(40) /
NA
/
l LOSS OF.0R DAMAGE TO FACILITY (43)
TYPE
 
==DESCRIPTION==
/1/9/
/Z/ (42) /
NA
/
PUBLICITY ISSUED DESCRIPTION (45)
NRC USE ONLY
/2/0/
/N/ (44) /
NA
/////////////
NAME OF PREPARER W. R. CARTWRIGHT PHONE (703) 894-5151 l 810 3 24052 t'
 
Virginia Electric and Power Company North Anna Power Station, Unit #1 Attachment: Page 1 of 1 Docket No. 50-338 Report No. LER 80-081/03X-1
.Descriptica of Event On September 23, 1980, with the unit in mode 1, it was determined during a QA Audit, that the wide range and narrow range RTDs had not been calibrated within the required surveillance interval of 18 months.
This is contrary to T.S. Table 4.3-1, item 7 and item 8, T.S. Table 4.3-2, item 1.f and item 4.d, and T.S. Table 4.3-7, items 2 and 3.
This event is reportable pursuant to 6.9.1.9.c since this event constitutes an inadequacy in the implementation of administration controls.
Probable Consequences of Occurrence Since a new test was written to be performed at power, and the results were satisfactory, the health and safety of the general public were not affected.
 
==Cause of Event==
This event was due to improperly specified test frequency. The
' test frequency specified as "SPECIAL" on the surveillance test should have been specified as "Once every 18 months". Due to this improper catagorization, this test was omitted during the first refueling outage, the only feasible time at which this test,
, written, can be performed.
 
==Immediate Corrective Action==
Upon discovery of this' event, 'a' new test to be performed at power was -written and performed satisfactorily. This test calibrated the RTDs in each hot and cold leg' bypass line of the RC loops at one temperature.
The wide range Loop RTDs were not included'in the special test since they were reading consistent with other RCS indications, and they supply no-inputs to protection or control logic.
Scheduled Corrective Action The original RTD Cross calibration test ~1-PT-121 is scheddled to be performed during the heat-up from the present outage.
Actions-Taken to Prevent Recurrence The original test'which was marked, "Special" is now specified as "Once every 18 months." _It willEbe performed at refueling outages as required.
Generic Implications The frequency specified for the Unit 2 test,,2-PT-121, was also in-error and has-been corrected.
(No calibrations were' missed on Unit 2.)
}}
 
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