05000318/LER-1980-052-03, /03L-0:on 801103,CTMT Penetration Room Exhaust Fan Discharge Damper 22 Linkage Was Found Broken.Caused by Excessive Wear on Clevis Pin Due to Inadequate Lubrication. Linkage Repaired & Restored to Svc on 801104

/03L-0:on 801103,CTMT Penetration Room Exhaust Fan Discharge Damper 22 Linkage Was Found Broken.Caused by Excessive Wear on Clevis Pin Due to Inadequate Lubrication. Linkage Repaired & Restored to Svc on 801104

ML19341A211
Person / Time
Site:	Calvert Cliffs
Issue date:	01/08/1981
From:	Pence W, Wenderlich R BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19341A210	List: 05000318/LER-1980-052, Forwards LER 80-052/03L-0 05000318/LER-1980-052-03, /03L-0:on 801103,CTMT Penetration Room Exhaust Fan Discharge Damper 22 Linkage Was Found Broken.Caused by Excessive Wear on Clevis Pin Due to Inadequate Lubrication. Linkage Repaired & Restored to Svc on 801104
References
LER-80-052-03L-01, LER-80-52-3L-1, NUDOCS 8101220390
Download: ML19341A211 (1)

LER-1980-052, /03L-0:on 801103,CTMT Penetration Room Exhaust Fan Discharge Damper 22 Linkage Was Found Broken.Caused by Excessive Wear on Clevis Pin Due to Inadequate Lubrication. Linkage Repaired & Restored to Svc on 801104

Event date:
Report date:
3181980052R03 - NRC Website

text

.

NRC FORM 38s U. S. NUCLEA"3 RE!ULATc RY COMMISSION (17\\ '

e

• I LICENSEE EVENT REPORT CONTROL BLOCK: l l

l l

l l lh (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6

lo 111 l Ml Dl Cl Cl Nl 2l@l 010 l -l 0 l 0 l 010 l 01 -l 0101@l 4 ( 1 l 1 l 1 l l l@l l

l@

7 8 9 UCENSEE COOE 14 15 UCENSE NUMSER 25 28 UCENSE TYPE JO 57 CAT 58 CON T 3 u,% lL l@l 01 51010 l 0 l 3 l 1 l 8 l@l_].I 1 l 0 l 318 I O l@l 0 l 110 l 8 l 8 l 1 l@

I o I i l'

?

8 80 81 DOCKET NUM8ER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROSABLE CONFEQUENCES h F5Til I During nonnal operation at 0645, the linkaoe was found to be broken for i

ITTr1 i

1. 22 CTMT penetration room exhaust fan discharge damoer, a dearadation of I

LO_L_1I the requirements of T.S. 3.6.6.1.

The linkaae was repaired and restored I

iO isI I to service at 1345 on 11-4-80. The other CTNT penetration room exhaust i

LO_L8_I I air filter train remained operable. This event had no impact upon the 1

lOi>i i public health or safety.

I 10181 I l

SO$E

$0$E SU$ CIDE COMPONENT CODE SU8 Code SU E

lSlCl@

@ [B_J @ IV l A l L IV l E lX l@ [N_J@ W @

O 9 7

8 9

10 11 12 13 18 19 20 LE R EVENTYEAR RE RTNO 005 N.

@,asg/RO 1810 l l-l 101512 l 1/l l 01 3 l

[_L_J L_1 1.0_1 u

21 22 23 24 28 27 28 29 30 31 32 N A O P T

M HOURS 22 58 i FOR 8.

LE MA UF RER l A l@[Z_J@

[Z_j@

l Z l@

[0 l0 l0 l0 l [N_l@

lNl@

l A l@

lJl0l713l@

33 34 35 38 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS 27 12101l Investigation showed a clevis oin had broken on the linkace. Acoarent I

ITTT1 I cause of failure was excessive wear due to inadecuate lubrication. An I

gi existing preventive maintenance orocedure for insoection of the linkaoe I

gI has been modified to include oeriodic lubrication.

I L.' L*.I I I

A

% POWER OTHER STATUS I O Y

DISCOVERY DESCRIPTION liis ! l E l@ ll 10 l0 l@l NA l

[.A_J@l Operator Observation l

AbVlTY CO TENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE m LZ_l @ II IOl NA l

l NA l

PERSONN[L ExPOSuAES NUM8ER TYPE OESCRIPTION l010l0j@lZl@l NA l

i 7

' PERSONNEL INJt oESCRieriON@

DnnD noin a Mi IES

NuM8ER, ITTil l 0 l 0 l 0 l@l NA I UUR UHill pl l

IonOgohof O rACiuTY g g

g (_Z_j@l NA l

7 8 9 10 80 ISSUE @DE CRIPTION e

lN l

NA I

11IlIllIllIl15 2 O 7

8 9 10 68 89 80 3 R.L. Wenderlich/W.B. Pont a 001) 269 4776/4 Alm 2,

psoNg; NAME OF PREPARER 81012g0 f Q