ML19256G474

LER 79-074/03L-0:on 791204,during Steady State Operation, Diesel Generator 12 Placed Out of Svc for Repair of Oil Leaks.Caused by Flare & Ferrule Fittings Coming Loose Due to Diesel Vibration.Fittings Tightened & Tubing Replaced

ML19256G474
Person / Time
Site:	Calvert Cliffs
Issue date:	12/20/1979
From:	Huseby D, Lagiewski J BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19256G472	List: ML19256G471 ML19256G474
References
LER-79-074-03L, LER-79-74-3L, NUDOCS 7912310357
Download: ML19256G474 (1)

Text

N HU P Q H M Jtsts u. s. mubLe an NttaVL AIUM Y GUMM4bbtuN (7 77) g 4 LICENSEE EVENT REPORT CONTF JL BLOCK: l 1

l l l l 1 6

lh (PLEnSE PRINT OR TYPE ALL REQUIRED INFORMATION) 7 o 1 3 9 M'DIClClNIll@l LICENSEE CCOE 14 010 l -l 010 ] O 15 l 010 l - l 0 l O l@l LICENSE NUMBER 25 426l 1 LICENSE l 1 l 1TYPE l 1JGl@l57 CAI I b8 l@

COfrT

' E"I'l 7

$C l Ll@l 01 510lOCCK 0 lET0l 31 1 i 7 )@l69 1121014 l 7 l 91@l 1 REPORT 74 75 l 212DATE017l9l@ 80 8 66 61 NuveER 63 EVENT DAT E EVENT DESCRIPTION AND PROBABLE CONSEoUENCES h o12 l During steady state ooeration, #12 Diesel Generator was placed out I o a I of service at 0650 for repair of various fuel oil leaks. While #13 I olA I Diesel was inocerable the remaininc A.C. oower sources were tested in oes I accordance with T.S. 3.8.1.1. #12 Diesel Generator was returned to I o e I service at 1150. Unit 2 was in Mode 2. LER 77-122 (U-1) describes 1 io17 I a similar event. l loIE l l s9 80 SYSTEM CAUSE CAUSE 'OYP VALVE COOE COCE SUSC00E CO'.tPONENT CODE SubCOCE SueCOOE lois 8

IE lE l@ l E'@ l C l@ lE IN IG J I lN lE l@ lX l@ l Zi@

9 10 11 12 13 16 19 2C

- SEOUENTt AL OCCUCAENCE AEocRT AEvisiCN LE A AO EVENT

• EAR R E* ORT NO. CCOE TvoE N O.

OM AEP EA 7

17 l l l-l l017I4I l/l 10 13 I I Ll l-l 10 l 21 22 23 24 26 27 28 29 3'J 31 32 TA E A ON CN PLANT H -CURS 22 Sei FORP B. SL PLIE MANUFACTUAEA lAl@lZl@ Zl@ (Zl@ l010101 l lN @ l42Y l@ lAl@ F 10 l1 l047l@

JJ 34 35 36 et 40 41 43 44 CAUSE CESCRIPTION AND CORRECTIVE ACTIONS

1 o i Various flare and ferrule fittincs loose from vibration of diesel were I l' li  ! tichtened to stop leaks. One 4" oiece of k" cooner tubina was reolaced i i i, I due to a crack. These small leaks do not dearade service of the diesel; I I usuallv thev are detected and eliminated by bi-weekiv P.M. Procedures l iia i 1 & 2-24-M-2W-1.

7 2 9 80 STA S *. PC A E R CTMER STATUS ISCOV RY DISCOVERY DESCRIPTION Ii 5 lel@ l0l7f0l@l N/A l l A l@l Operator Observation l ACTivtTv CO TENT - ' ~

Eux5Eo Os REcEASE AveuNT Or ACriviTY @ ' LOCATION OF'RELE ASE 1 6 L1J @ LIJ@l N/A l l N/A l PEaSONNE E X PCS' ES c/BER TvPE OESCAl'TtON i- Oi OI O!@l2 I@i ruA , m n?7 i 6 9 11 12 13 i VdV go PE:SONNEL INJURIES hh NUVEE A DESCAiPTICN Oi 01 Ol@l,,N/A

-F H_ H_ R_ H_ _l1._1

_ . , m.l_ ,,

LCCS Cr 05 DAYAGE TO FACILITV h Diealo3 TYPE DESCA PTION s.,,/

J.

1sE Lz]@l 9 10 ruA Ti 80 DESC A'8 TION

• 21' !S.E@lN/A lld I I I I l 11 I I f I I lj i E 5 1C 68 69 so g nu.eerpREpARER J. S. Laciewski/0. E. Pusabv psoyE (3011234-7042/7007