ML17331A492

LER 80-024/03L-0:on 800917,during Ice Condenser insp,21 Intermediate Deck Doors Found Frozen Shut.Caused by Excess Ice Due to Moisture Condensing on Top Deck Door Divider Beams.Design Change Initiated to Insulate Beams

ML17331A492
Person / Time
Site:	Cook
Issue date:	10/16/1980
From:	Piehl R INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17319A656	List: ML17319A655 ML17331A492
References
LER-80-024-03L-01, LER-80-24-3L-1, NUDOCS 8010210671
Download: ML17331A492 (2)

Text

NRC FORM 366 U. S. UCLEAR REGULATORY COMMISSION I7.77)

ICENSEE EVENT REPORT CONTROL BLOCK: (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 0~0 Qi I 1 6 0

~oi 9 M I D LICENSEE'ODE C C 1Q2 14 15 0 0 0 0 0 0 LICENSE NUMBER 0 0 Q3 25 26 LICENSE TYPE 30 57 CAT 58 7 8 CON'T

~oi "'" ~LQB 0 5 0 0 0 3 1 5Q7 68 69 0 9 1 EVENT DATE 7 8 0QB1 74 75 0 1 6 REPORT DATE 8 0 80 QB DOCKET NUMBER EVENT DESCRIPTION AND PROBABLE CONSEQUENCES 010 DURING AN ICE CONDENSER INSPECTION 21 INTERMEDIATE DECK DOORS WERE FOUND FROZEN AND DECLARED INOPERABLE PER T.S. 3.6.5.3. ACTION REQUIREMENTS WERE

~03 MET. THE OTHER 171 DOORS REMAINED OPERABLE. THIS EVENTHAD, NO PUBLIC

~O4 HEALTH AND SAFETY CONSEQUENCES. PREVIOUS EVENTS INCLUDE:" RO 79-036/03L-0;

~O5 79-045/036-0; 79-060/03L-Op AND 80-021/03L-O.

~O6

~O7

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

~sB CODE 10 Q11 CODE 11 B 012 L~J073 12 13 H 7 o x c H 18 0 ~~019 19

~z 20 6 REVISION SEQUENTIAL OCCURRENCE REPORT EVENT YEAR REPORT NO. CODE TYPE NO.

Q17 LF R/RO REPORT ~OO 21 22 =

Q23

~OZ 24 Tj 26 QH 27

~03 28 29 QL 30

[J 31 Qp 32 ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRDQ PRIME COMP. COMPONENT TAKEN ACTION ON PLANT METHOD HOURS Q22 SUBMITTED FORM SUB. SUPPI.IER MANUFACTURER

~N02 ~N W 1 2 0 X Qis ~F 019 ~Z020 ~Z 021 37 0 0 0 ~N 41 03 025 44 47 026 33 34 35 36 40 42 43 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 O A HPPDF DR D R URNI THE FROZEN DOORS TO AN OPERABLE CONDITION. MOISTURE CONDENSING ON THE TOP DECK DOOR DIVIDER BEAMS WAS FOUND TO BE THE WATER/ICE SOURCE. DESIGN CHANGE PER RFC DC 12-1791 WAS INITIATED TO INSULATE THE BEAMS TO PREVENT CONDENSATION. ICE CONDENSER INSPECTION HAS BEEN'NCREASED FROM THREE TIMES WEEKLY TO DAILY.

7 ED 5 8 9 FACILITY STATUS E

ACTIVITY 02B ~0 CONTENT RELEASED OF RELEASE 1

% POWER 0 0 29 OTHER STATUS 030 N/A AMOUNT OF ACTIVITY N/A METHOD OF DISCOVERY

~AQ31 45 46 NON-ROUT INE INSPECTION N/A DISCOVERY DESCRIPTION LOCATION OF RELEASE Q2 80 80 7

9 8

+Z 9

033 QZQ 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION 039 7 ~00 0 Q37 ~ZQ38 13 N/A 80 7 8 9 11 12 PERSONNEI. INJURIES NUMBER DESCRIPTION 41 9 ~OO O Q49 N/A 12 80 0 N/A 7 8 9 11 LOSS OF OR DAMAGE TO FACILITY 9

TYPE Z Q42 DESCRIPTION g'o)e~jog7(

8 9 10 80 P U 8 L I C I TY NRC USE ONLY ISSUED DESCRIPTION KZ We 8 9 10 N/A 68 69 80 ~ 49 616-465-5901, EXT. 1036 '

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