05000272/LER-1980-030-03, /03X-3:on 800601,fusible Plug for Battery Room Detectors Melted During Testing.Caused by Not Removing Hot Air Blower Quickly Enough.Detectors Replaced

/03X-3:on 800601,fusible Plug for Battery Room Detectors Melted During Testing.Caused by Not Removing Hot Air Blower Quickly Enough.Detectors Replaced

ML18086A484
Person / Time
Site:	Salem
Issue date:	05/04/1981
From:	Steele W Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18086A483	List: 05000272/LER-1980-030, Forwards LER 80-030/03X-3.Detailed Event Analysis Encl 05000272/LER-1980-030-03, /03X-3:on 800601,fusible Plug for Battery Room Detectors Melted During Testing.Caused by Not Removing Hot Air Blower Quickly Enough.Detectors Replaced
References
LER-80-030-03X, LER-80-30-3X, NUDOCS 8105140377
Download: ML18086A484 (1)

LER-1980-030, /03X-3:on 800601,fusible Plug for Battery Room Detectors Melted During Testing.Caused by Not Removing Hot Air Blower Quickly Enough.Detectors Replaced

Event date:
Report date:
2721980030R03 - NRC Website

text

NRC FORM 366 U.S. NUCLEAR REGULATORY COMMISSION

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• -LICENSEE EVENT REPORT CONTROL BLOCK: I I I 10 6

(PLEASE PRINT OR TVPE ALL REQUIRED INFORMATION)

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I During routine testing of the fire detection instrumentation, the fusible plug for the Battery Room Detectors for both Unit 1 and Unit 2 had melted during the testing rendering them inoperable.

Action Statement 3.3.3.6 was entered at 0700 hour0.0081 days <br />0.194 hours <br />0.00116 weeks <br />2.6635e-4 months <br />.

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43 44 47 IJ:m 1 A hot air blower was used to raise the temperature of the detector to an alarm condition but was not removed quickly enough to prevent detector damage.

The detectors were replaced and tested satisfactorily terminating the Action Statement IJJ)) I at 2100 hours0.0243 days <br />0.583 hours <br />0.00347 weeks <br />7.9905e-4 months <br /> on June 3, 1980.

Design Changes were initiated on September 15, 1980, lII!J._I _w_h_i_c_h_w_i_* l_l_r_e_p_l_a_c_e_t_h_e_e_x_i_* s_t_i_* n_g_d_e_t_e_c_t_o_r_s_w_i_t_h_a_n_o_n_-_e_x_p_e_n_d_a_b_l_e_t_y_p_e_. ________ _

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