05000335/LER-1979-029-03, /03L-0:on 790917,level Transmitter on Safety Injection Tank 1B1 Drifted Out of Calibr & Tank Level Dropped Below Tech Spec Limit.Cause Undetermined.Level Indicator Adjusted & Transmitter Recalibr

From kanterella
(Redirected from ML17266A110)
Jump to navigation Jump to search
/03L-0:on 790917,level Transmitter on Safety Injection Tank 1B1 Drifted Out of Calibr & Tank Level Dropped Below Tech Spec Limit.Cause Undetermined.Level Indicator Adjusted & Transmitter Recalibr
ML17266A110
Person / Time
Site: Saint Lucie 
Issue date: 10/17/1979
From: Schoppman M
FLORIDA POWER & LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML17207A526 List:
References
CON-NRC LER-79-029-03L-02, LER-79-29-3L-2, NUDOCS 7911070554
Download: ML17266A110 (2)


LER-1979-029, /03L-0:on 790917,level Transmitter on Safety Injection Tank 1B1 Drifted Out of Calibr & Tank Level Dropped Below Tech Spec Limit.Cause Undetermined.Level Indicator Adjusted & Transmitter Recalibr
Event date:
Report date:
3351979029R03 - NRC Website

text

NRC FORM Sdd 77.77)

LICENSEE EVENT REPORT U. S NUCLEAR RKQULATORYCOMMISSION CONTROI. SLOCIEI I

I I

I

>OI (PLEASE PRINT OR TYPE ALLREOUIREO INFORMATIONI 9

LIcaNsaa cooa 14

',5 O.

LICiNSE rYUMSKR 25 LrCKNSK TYP4 40

$ 7 <<A ~

5 CON'T

~o 7

3 AEPQAT LL+Id I

I E

I I

Q9 SO

$ 1 OOCIIET NUMSKR

$539 EVENT OAT'E 74 7$

REPORT OA a 30 EVENT OESCRIPTION ANO PROBASLE CONSEQUENCES +Io While o eratin at 100%

ower the level transmitter on the 1Bl SIT drifted

~or Fl LIS L Sll r

0 0 -0 0101010-00 Qr4 11 I IQ~Qr

~os out of calibration and the tank level dro ed below the limit specified by TS 3.5.1.

A low-low level alarm was received from the fixed ca acitance

~0$

robe.

The tank level was restored in accordance with TS 3.5.1.

No n e ence e

1 ed from hi occurrence.

This was the first

~o 7

occurrence of this t e.

~oa 7

3 9

~OS action consisted of adjustin the level indicator in the control room based SYSTE'4 CAU5$

CAUSE

COMP.

VALVE COOK COOS 5VSCOOE CCMPQNENT COOK suacooa suecooa

~S err LJrr I LJ.J J J JG mrrr LIJrr 7

5 9

lo 11 12 IS 1$

19 20 SEOVENTIAI.

OCCUAAENC4 AKPOAT REVISION EVENT YEAR A EIrO AT NO COOK TYPE

~

NQ.

QrL rrrrrrr ~79

~

~02 9

~w

~03

~L

~

~0 21 22 22 2$

'27 25 29 20 2I 22 ACTION PUTUAE EPPEC SI4VTOQWN ATTACI4MENT NPAOM PAIMKCOMD.

COMPONENT TAXKN ACTION CN PLANT MKTIIQD AQUAS Q22 5VSMITTKO POAM SUS.

SUPPLIER MANUFACTURER rrrrLJS L~lrr Llrr '

r 'ES BJO US ~rr 4

24 2$

2$

~

40 41 42 44 41 CAUSE OESCRIPTION ANO CORRECTIVE ACTIONS 027 o

No s ecific cause Immediat on level determined from the fixed ca acitance robe.

The transmitter located inside the containment was recalibrated the following week during a scheduled outa e.

No further action was.re uired.

7 9

sTATUs NPOYIER QTIIER STATUS Oao PACII I Yr

~IE

~O2E ~0~@

NA 7

9 10 12 12 44 ACTIVITY CONTENT AELEASEO OP AELiASE 'MQUNToP ACTIVITYQSS CZi ~O LaO24 A

7 3

9 10 I ~

44 PKASONNEL KXPQSUAES

~00 0

Qrr Z Qrrr NA 7

5 11 I'2 15 PERSONNEL INJURIES AIKTIIOOQP OISCOV EAY

~AOSI 4$

4$

45 OISCOVERY OESCAIPTION QS2 0 erator Observation LoCATIoNOP RELEASE QSE NA 7

3 9

11 12 LC55 QP QR QAMAQKTo FACILITYQ42 TYPE OESCAIPTION CZ LZJO42 5

2 '0 PU5LI CITY ISSUKQ OKSCAIPT:ON~

KH mO44 3 9:0 NAMEOF PREPARER NA NA A. Scho man 30 NRC USE ONLY

$9 30 PNoNE 305 552-3802 T922 OTO<PP

~ f