What was found
(CAN) AN UNCOMMANDED ELT ACTIVATION WAS REPORTED 11-NOV-2015. ELT, REMOTE SWITCH AND HARNESS WERE INSPECTED. CORROSION WAS FOUND ON THE HARNESS AT THE REMOTE SWITCH. CORROSION REMOVED AND SYS CONTINUITY CHECKED. FOUND SERVICEABLE. ELT & REMOTE SWITCH TESTED FOR OPERATION WITH NO FURTHER FAULT FOUND. THIS WAS THE THIRD OCCURRENCE. FIRST OCCURRENCE WAS 07-JAN-2015, NO CADOR. THE BATTERY WAS REPLACED ON ELT, PN 453-6603. REMOTE SWITCH WAS REPLACED WITH NEW PN 345-6196-04. SECOND OCCURRENCE WAS 01-APR-2015, CADOR 2015C1132. ELT PN 453-6603, SN 188-03639 WAS REPLACED WITH ELT PN 453-6603 .