What was found
ON APPROACH INTO LICZ, WE HAD A ELECTRIC LIGHT ILLUMINATED ON THE MASTER WARNING PANEL AND SINGLE STROKE CHIME ASSOCIATED WITH A/C BUSS NR 1 OFF ILLUMINATED ON S/O PANEL COMPLETED ABNORMAL PROCEDURES. FOUND NR 1 A/C BUSS WARNING CIRCUIT BREAKER POPPED. RESET CIRCUIT BREAKER. SELECTED NR 1 A/C BUSS. BUSS POWERED TO 115VAC 400 HZ. PERFORMED CHECK OF NR 1 A/C BUSS DISTRIBUTION IAW A-300 M/M 24-50-00. NO DEFECTS NOTED.