ML17326B381
| ML17326B381 | |
| Person / Time | |
|---|---|
| Site: | Cook  |
| Issue date: | 05/10/1988 |
| From: | Guldemond W NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | |
| Shared Package | |
| ML17326B380 | List: |
| References | |
| 50-315-88-12, 50-316-88-14, NUDOCS 8805240010 | |
| Download: ML17326B381 (1) | |
Text
NOTICE OF VIOLATION American.Electric Power Service Corporation Licenses No.
DRP-58; DRP-74 As a result of the inspection conducted on March 15 through April 25, 1988, and in a'ccordance with the General Policy and Procedures for NRC Enforcement Actions (10 CFR Part 2, Appendix C), the following violation was identified:
Technical Specification Surveillance. Requirement 4.3. 1. l. 1 requires that each reactor trip system instrumentation channel shall be demonstrated by the performance of a CHANNEL CHECK for the MODES and at the frequencies shown in Table 4.3-1.
Table 4. 3-1 "Reactor Trip System Instrumentation Surveillance Requirements" requires that a
CHANNEL CHECK of the power range neutron flux instruments at least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> when in MODES 1 or 2 and when the reactor trip system breakers are closed and the control rod drive system is capable of rod withdrawal.
Contrary to the above, during June 26, 1986 through June 29, 1986, and again during April 16, 1987 through April 20,
- 1987, the licensee failed to perform the CHANNEL CHECKS at the required 12 hour1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> frequency while Unit 2 was in MODE 3 with the reactor trip system breakers closed and the control rod drive system capable of rod withdrawal.
The longest interval where a
CHANNEL CHECK was not performed as required was 35 hours4.050926e-4 days <br />0.00972 hours <br />5.787037e-5 weeks <br />1.33175e-5 months <br />.
This is a Severity Level IV violation (Supplement I).
Pursuant to the provisions of 10 CFR 2.201, you are required to submit to this office within thirty days of the date of this Notice a written statement or explanation in reply, including for each violation: (1) corrective action taken and the results achieved; (2) corrective action to be taken to avoid further violations; and (3) the date when full compliance will be achieved.
Consideration may be given to extending your response time for good cause shown.
Dated MAY 1 0 1988 M.~. Guide nd, Chief
@actor P
jects Branch 2
SS05240010 SS05i0 PDR ADOCK 050003l5 9