ML13308B471
| ML13308B471 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 02/16/1977 |
| From: | Ottoson H SOUTHERN CALIFORNIA EDISON CO. |
| To: | Engelken R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| References | |
| NUDOCS 8103060056 | |
| Download: ML13308B471 (1) | |
Text
2q February 16, 197; R t. En elrken,Director NuClear Repitiatory Comission Reqion V Office of. Inspection and "Enforcetint Suite, 202 WaInut.Creek Plaza 1990 North California, ioulevard WaInut Creek, California 94596 DOCKET NO, 50?6 A ONOFRF UNT 1I The followinq infor-ation concerniq component failure is subm ttid required by our technical specifications, section 69.2.a(9)
During a hydrostatic test of the containment spray system condticted followInq 0 p!
difications, two leaks were discovered at welded j Orits in the discharne line of the refuelinq witer pumps This line would be used to recirclate water from the containment sphere sump through the vapor spray nozzles and reactor vessel under accident conditions Investication into the mechatiism ofifailure and the necessary cQrrective action is in DroaresS A comlete reDort on this matter together with a I icedsee event'reort fdrm will be forwarded within J,!
two weekS.
Sintere y
..Ottloson uiperi ntendent.
'IS