ML17326A398

LER 79-060/03L-0:on 791116,intermediate Deck Door to Ice Condenser Found Frozen Shut.Caused by Plugged Air Handling Unit Drain Line & Frozen Drainage Overflow.Ice Removed & Drain Line Cleared.Mod Initiated

ML17326A398
Person / Time
Site:	Cook
Issue date:	12/07/1979
From:	Michael Brown INDIANA MICHIGAN POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17326A396	List: ML17326A395 ML17326A397 ML17326A398
References
LER-79-060-03L, LER-79-60-3L, NUDOCS 7912130380
Download: ML17326A398 (1)

Text

NRC FORM 366 U. S. NUCLEAR REGULATORY COMMISSION (7.77)

C IEA CONTROL BLOCK:

CENSEE EVENT REPORT Ql 0

(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

Ce I 6

~O M I D C C J 14 Q2 15 0 0 0 0 0 0 LICENSE NUMBER 0 0 o 25 Q2c, 26 1 1 1 I.ICENSE TYPE 30 Q4~QA 57 CAT 58 7 8 9 LICENSEE CODE CON'T

~O "oU~qz< LE 6'I 0 5 0 0 0 3 1 6 68 Qi1 69 1 1 EVENT DATE 6 7 9 74 PA 75 REPORT DATE 80 QB 7 8 60 DOCKET NUMBER EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10 DURING A ROUTINE ICE CONDENSER TOUR ON TWO ON

~O3 INTERMEDIATE DECK DOOR WAS FOUND FROZEN SHUT. THIS CONSTITUTED AN

~O4 INOPERABLE ICE CONDENSER DOOR AS DELINEATED IN TECH. SPEC. 3.6.5.3.

~Os REQUIRED ACTION ITEMS WERE OBSERVED. ALL OTHER ICE CONDENSER DOORS REMAINED OPERABLE .

SIMILAR EVENTS: 79-045/03L-0 AND 79-036/03L-O.

~os 80 7 8 9 SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE

~xx 10 Q~q E Q>g ~xp>>

12 13 x x x x x x 18 Qw ~zgl5 19

~z 20 Q16 7 8 9 11 SEQUENTIAL OCCURRENCE REPORT REVISION P'~

LERIRO "EPO" 7 ACTION FUTURE

~~ ~

EVENT YEAR 21 22 EFFECT 23 SHUTDOWN 24 REPORT NO.

~06 0 26

~~

27 28 ATTACHMENT CODE LQJ~ 29 NPRDC TYPE

~T.

30 PRIME COMP.

31 32 NO.

COMPONENT TAKEN ACTION ON PLANT METHOD HOURS Q22 SUBMITTED FORM SUB. SUPPLIER MANUFACTURER Q18 ~PQ19 ~ZQ20 ~ZQ>' 0 0 0 ~NQZS ~NQ24 ~NQ25 W 1 2 0 Q26 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 o AN AIR HANDLING UNIT DRAIN LINE WAS FOUND PLUGGED. THIS RESULTED IN THE OVERFLOW OF DRAINAGE FROM THE UNIT DURING DEFROST AND ICE FORMATIO THE DOORS ~ THE ICE WAS REMOVED AND THE DRAIN LINE WAS CLEARED.

3 A MODIFICATION HAS BEEN INITIATED TO CORRECT PROBLEMS ASSOCIATED WITH 4 AIR HANDLING UNIT DEFROSTING.

80 7 8 9 FACILITY STATUS

~10

'EMPOWER OTHERSTATUS ~

~3O METHOD OF DISCOVERY

~BQl DISCOVERY DESCRIPTION Q32 CZ38 1 6 ~EQ26 9 10 0

12 Q26 13 NA 44 45 46 ROUTINE TOUR 80 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY Q LOCATION OF RELEASE Q

~Z Q33 ~ZQ34 NA.'. NA 7 8 9 10 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q39

~00 0 Q>>~ZQM 13 NA 80 7 8 9 11 12 PERSONNEL INJURIES NUMBER DESCRIPTIONQ41 S ~oo o Q 12 80 7 8 9 11 gg g g / zd3g8 LOSS OF OR DAMAGE TO FACII.ITY TYPE DESCRIPTION Q43 Z Q42 NA 8 9 10 80 7

O ISSUED L~ JQ44 PUBLICITY DESCRIPTION NA

~ NRC USE ONLY 7 8 9 10 68 69 BOER g 0

NAME OF PRFPARER M. S. BROWN PHONEI 616- 6 Ol 0