LER-1976-004, /03L-0:on 761216,during Monthly Test,Hpsi Pump 1 Shaft Housing Seal Was Found to Leak Lightly.Caused by Cut in Gasket.Defective Gasket Replaced |
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| 0291976004R03 - NRC Website |
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LER 76-14/3L LICENSEE E\\/ENT REPORT l (f l C.
,CONTROu BLOCK:l l
l l
(PLEAIE PRINT ALL REIUIRED INFORMATitN) 4 Q'
1 8
NAME LCENSE NUMBER E
TYPE Q lM l Al Yl Kl Rl 1l l 0 l 0 l-l 0l 0l 0l 0l 0l-l 0 l 0 l
[ 4l 1l1l 1l 1l l0 l3 l 7 89 14 15 25 26 30 31 32 CATEGORY TYP SO OOCKET NUMBER EVENT DATE REPORT OATE 01 CON 71 I
I bJ LU 10 I s l 0 l-l 0 l 0l 2l 91 l1 l 2 l1l 6l 7l 6l l0 l1 l1l 3 l 7l 6l 7 8 57 58 59 60 61 68 69 74 75 80
EVENT DESCRIPTION
g l During the perfonnance of OP-4204, " Monthly Test or Special Operation of the Safety l
7 69 80
@ l Iniection Pttnos", No.1 Hich Pressure Safety Iniection Pump's shaft housing seal was l
7 89 80 a
l found to leak slightly. Higher supervision was notified and a Maintenance Request.
l 7 89 80
@ l was initiated to determine the cause of the leak.
l 7 89 80 bl l
7 89 PRut 80 OE CODE COMPONENT COOE E
MAP J A
VIOLATON l S l F l [ E_]
l P l Ul Ml Pl X l X l W
l Wl3 l1 l5 l
.lN l c
7 89 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION 3e l A Worthington Corp. Model 2 hTF 87DIFF Pump developed a leak between the stuffing box l 7 89 80 lE3] l and housino because of a cut that developed in the.asket.
The defective casket was l 7 89 80 g l replac6d with a new one.
l STAT S
% POWER OTHER STATUS O SCOVERY 0:SCOVERY OESCRIPTION W
l0 l9 l 2 l l
NA l
lB l l
NA l
7 8 9
10 12 13 44 45 46 80 ACTmTY COSTENT RELEASED OF RELEASE l AMOUNT OF ACTMTY LOCATION OF RELEASE InaJ lZ l LZj NA l
l NA l
7 8 9
10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE
DESCRIPTION
ligJ!of 0101 1Zj l
NA l
7 89 11 12 13 80 PERSONNEL INJURIES NUMBER DESCA:DT!ON IU4I010101 I
NA I
7 89 11 12 80 OFFSITE CONSEQUENCES lud i NA l
7 85 80 LOSS OR DAMAGE TO FACfLITY TvrE DESCniPitON L: j l NA l
13 7 85 10 80 PUBLICITY u7 l NA l
7 8S 80 ADDITIONAL FACTORS 7 89 80 8 01119 0 3/jy 23 l 7 65 80 NAME:
I'dMb I-AhV PHONE: A 17_ ex ra.. n, n
O em ~ec'E AR REev'A1oR< ces lo~
eoc<e1 ~eM;eR NRCFoRM 195 50-29
< 2. m.
"r((ypfg"TREPORT bRG DISTHIBUTION FoR PART 50 DOCKET MATERI AL 1
FROM:
oATE oF DOCUMENT 70 Yankee Atomic Electric Company 1/13/77 Mr. J. P. O'Reilly Rowe, Mass.
DATE REcEivEo Mr. Herbert A. Autio 1/18/77 f
8 LETTER O~oToR ZED PROP lNPUT FORM NUMBER oF COPIES RECEIVED
' DoRIGIN AL [U NC L ASSIF I E D One signed copy l
J2' cop y
DESCRIPTION
E N CLoSU R E i
f Ltr. trans the following:
Licensee Event' Report (R0 50-29/76-14/03L) on 12/16/76 concerning number 1 High Pressure Safety Injection Pump's seal failure during i
the performance of OP-4204, " Monthly Test or
'TACIMOWLEDGED I
Special Operation of the Safety Injection Pumps"..
DO NOT REMOVE rust NAME:
Yankee Rowe (1-P)
(1-P) l NCTTE: IF PERSONNEL EXPOSURE IS INVOLVED SEND DIRECTLY TO KREGER/J. COLLINS i
l FOR ACTION /INFORMATION 1/19/77 RJL j
')(i BRANCH CHIEF:
Schwencer i
j W/3 CYS FOR ACTION
_V LIC. ASST.:
Sheppard W/
CYS
//
KlACRS /d CYS NCZUG/SENT.' ('~gsp. d. [///f/h) l l
INTERNAL DISTRIBUTION M, REG,II M V NRC PDR M I & E (2)
V MIPC M SCHROEDER/IPPOLITO Y HOUSTON Y NOVAK/ CHECK V
GRIMES Q
CASE BlTILER W HANAUER V TEDESCO/MACCARY V EISENHUT V BAER V
SHAO V
VOLLMER/ BUNCH Y KRECER/J. COLLINS EXTERNAL DISTRIBUTION CONTROL NUMBER y[ LPDR: crnenfi cia.u.e <
l TIC:
X'NSTc.
[f f M
hO',
l
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| 05000029/LER-1976-001, Forwards LER 76-001/03L-0 | Forwards LER 76-001/03L-0 | | | 05000029/LER-1976-001-03, /03L-0:on 760204,slight Leakage from Charging Pump 3 Found in Two Areas,Relief Valve Discharge Flange & Pump Suction Tee to Valve Line Welds.Caused by Vibration Induced Fatigue Failure.Flange & Tee Replaced | /03L-0:on 760204,slight Leakage from Charging Pump 3 Found in Two Areas,Relief Valve Discharge Flange & Pump Suction Tee to Valve Line Welds.Caused by Vibration Induced Fatigue Failure.Flange & Tee Replaced | | | 05000029/LER-1976-002, Forwards LER 76-002/03L-0 | Forwards LER 76-002/03L-0 | | | 05000029/LER-1976-002-03, /03L-0:on 760210,auxiliary Operator Noted Leak in Weld on Reducer Discharge Header of Charging Pump 3.Caused by Vibration Induced Fatigue Failure,Due to Continuous Operation of Displacement Charging Pump | /03L-0:on 760210,auxiliary Operator Noted Leak in Weld on Reducer Discharge Header of Charging Pump 3.Caused by Vibration Induced Fatigue Failure,Due to Continuous Operation of Displacement Charging Pump | | | 05000029/LER-1976-003, Forwards LER 76-003/01T-0 | Forwards LER 76-003/01T-0 | | | 05000029/LER-1976-003-01, /01T-0:on 760513,review of ECCS Analysis Found Error in Accident Analysis.Caused by Error in Assumption of Accident Analysis.Reanalysis Performed.Proposed Change to Tech Specs Submitted | /01T-0:on 760513,review of ECCS Analysis Found Error in Accident Analysis.Caused by Error in Assumption of Accident Analysis.Reanalysis Performed.Proposed Change to Tech Specs Submitted | | | 05000029/LER-1976-004, Forwards LER 76-004/03L-0 | Forwards LER 76-004/03L-0 | | | 05000029/LER-1976-004-03, /03L-0:on 761216,during Monthly Test,Hpsi Pump 1 Shaft Housing Seal Was Found to Leak Lightly.Caused by Cut in Gasket.Defective Gasket Replaced | /03L-0:on 761216,during Monthly Test,Hpsi Pump 1 Shaft Housing Seal Was Found to Leak Lightly.Caused by Cut in Gasket.Defective Gasket Replaced | | | 05000029/LER-1976-005-03, /03L-0:on 760520,auxiliary Operator Noted Slight Leakage from Weld on Inlet Charging Pump 3 Relief Valve. Caused by Pullback Gap Not Allowed During Installation of Pipe & Vibration Induced Fatigue Failure | /03L-0:on 760520,auxiliary Operator Noted Slight Leakage from Weld on Inlet Charging Pump 3 Relief Valve. Caused by Pullback Gap Not Allowed During Installation of Pipe & Vibration Induced Fatigue Failure | | | 05000029/LER-1976-005-30, /030-1:on 760520,weld on Inlet to Charging Pump 3 Relief Valve Found Leaking.Caused by Error in Installation of Pipe in Which Full 1/16 Inch Pullback Not Allowed | /030-1:on 760520,weld on Inlet to Charging Pump 3 Relief Valve Found Leaking.Caused by Error in Installation of Pipe in Which Full 1/16 Inch Pullback Not Allowed | | | 05000029/LER-1976-005, Forwards LER 76-005/03L-0 | Forwards LER 76-005/03L-0 | | | 05000029/LER-1976-006, Forwards LER 76-006/01T-0 | Forwards LER 76-006/01T-0 | | | 05000029/LER-1976-006-01, /01T-0:on 760624,during Normal Operation,Routine Safety Injection Tank Makeup Was Performed Per Plant Procedure.Acceptance Criteria Not Met.Caused by Change 117, Suppl 3,requiring Limits on Boron Concentration | /01T-0:on 760624,during Normal Operation,Routine Safety Injection Tank Makeup Was Performed Per Plant Procedure.Acceptance Criteria Not Met.Caused by Change 117, Suppl 3,requiring Limits on Boron Concentration | | | 05000029/LER-1976-007-01, /01T-0:on 760624,investigation of RO 76-06 Revealed That Assumed Boron Concentration of LOCA Analysis Was Exceeded During Hydrostatic Leak Test of Reactor Vessel. Caused by Personnel Error.Personnel Reinstructed | /01T-0:on 760624,investigation of RO 76-06 Revealed That Assumed Boron Concentration of LOCA Analysis Was Exceeded During Hydrostatic Leak Test of Reactor Vessel. Caused by Personnel Error.Personnel Reinstructed | | | 05000029/LER-1976-007, Forwards LER 76-007/01T-0 | Forwards LER 76-007/01T-0 | | | 05000029/LER-1976-008, Updated LER 76-008/010-0:on 760730,review of Rod Ejection Accident Analysis Revealed Error in Method Used for Core 11 Analysis.Caused by Error in Methods & Application of Analysis Codes.Sys of Documentation Control Initiated | Updated LER 76-008/010-0:on 760730,review of Rod Ejection Accident Analysis Revealed Error in Method Used for Core 11 Analysis.Caused by Error in Methods & Application of Analysis Codes.Sys of Documentation Control Initiated | | | 05000029/LER-1976-010, Forwards LER 76-010/01T-0 | Forwards LER 76-010/01T-0 | | | 05000029/LER-1976-010-01, /01T-0:on 760830,during Review of Core 12 Analysis,Error Found in Figure 8-1 of Tech Specs.Caused by Gamma Heating Correction Omitted by Error in Application of Computer Codes | /01T-0:on 760830,during Review of Core 12 Analysis,Error Found in Figure 8-1 of Tech Specs.Caused by Gamma Heating Correction Omitted by Error in Application of Computer Codes | | | 05000029/LER-1976-011, Forwards LER 76-011/03L-0 | Forwards LER 76-011/03L-0 | | | 05000029/LER-1976-011-03, /03L-0:on 760907,slight Leakage Noted from Welded Nipple on Charging Pump 3 Discharge Heater Line.Caused by Failure to Allow 1/16-inch Pull Back Gap During Installation of Weld.Pump Isolated & Nipple Replaced | /03L-0:on 760907,slight Leakage Noted from Welded Nipple on Charging Pump 3 Discharge Heater Line.Caused by Failure to Allow 1/16-inch Pull Back Gap During Installation of Weld.Pump Isolated & Nipple Replaced | | | 05000029/LER-1976-012-01, /01T-0:on 761119,safety Injection Accumulator for Boron Was 30 Ppm Over Tech Specs & 80 Ppm Over Administrative Limits.Investigation Revealed That Std Sodium Hydroxide Titrant Had Concentrations Lower than Predicted | /01T-0:on 761119,safety Injection Accumulator for Boron Was 30 Ppm Over Tech Specs & 80 Ppm Over Administrative Limits.Investigation Revealed That Std Sodium Hydroxide Titrant Had Concentrations Lower than Predicted | | | 05000029/LER-1976-012, Forwards LER 76-012/01T-0 | Forwards LER 76-012/01T-0 | | | 05000029/LER-1976-013-01, /01T-0:on 761128,following Plant Trip from Power, Main Collant Pump 3 Inadvertently Restarted During Scram Recovery.Caused by Jammed Trip Mechanism on Air Circuit Breaker.New Trip Coil Installed | /01T-0:on 761128,following Plant Trip from Power, Main Collant Pump 3 Inadvertently Restarted During Scram Recovery.Caused by Jammed Trip Mechanism on Air Circuit Breaker.New Trip Coil Installed | | | 05000029/LER-1976-013, Forwards LER 76-013/01T-0 | Forwards LER 76-013/01T-0 | | | 05000029/LER-1976-014-03, /03L-0:on 761216,during Performance of OP-4204, Monthly Test of Safety Injection Pumps,High Pressure Safety Injection Pump Shaft Housing Seal Found Leaking.Caused by Cut in Gasket.Defective Gasket Replaced | /03L-0:on 761216,during Performance of OP-4204, Monthly Test of Safety Injection Pumps,High Pressure Safety Injection Pump Shaft Housing Seal Found Leaking.Caused by Cut in Gasket.Defective Gasket Replaced | |
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