What was found
MDIS 651 26-10 5623 18APR22 IND OPEN U #1 ENGINE AGENT #2 SQUIB INOP SHGN 18APR22 15:25 IND U WHEN TESTING #1 ENG SQUIB, AGENT 2 SQUIB LIGHT IS NOT ILLUMINATING. SQUIB LIGHT ILLUMINATES W/ ANNUN LT TEST. PER A300-600 TSM 26-21-00, FIG 114, INSTALLED SERVICEABLE FIRE CONTROL MODULE 39WD, NO HELP. REINSTALLED ORIGINAL. DISCONNECTED CONNECTOR 25WE AND FOUND NO VOLTAGE BETWEEN PIN B AND GROUND, THEREFORE CANNOT PLACE ON MEL. REQUIRES FURTHER T/S. SHGN 18APR22 17:05 IND U REMOVED AND REPLACED RELAY13WE REF TSM 26-21-01 WITH NO HELP FURTHER TROUBLESHOOTING NEEDED PER A300 MM 26-12-20-04 REMOVED AND REPLACED #1 ENGINE FIRE CONTROL MODULE OPS CHECK GOOD ACFT OK TO CONTINUE.