What was found
LEFT GENERATOR SOURCE OFF LIGHT ILLUMINATED DURING CLIMBOUT, ZERO VOLTS AND FREQUENCIES, ACCOMPLISHED QRH PROCEDURES, APU POWER ON LEFT BUSS. ACFT GROUNDED. PERFORMED NR 1 ENGINE RUN. INSPECTED AND FOUND THE NR 1 GEN NOT COMING ON LINE. NO VOLTS OR FREQUENCY INDICATIONS. PERFORMED FIM 24-21 / 823. REMOVED AND INSTALLED A NEW P5-4 PANEL IAW AMM 24-21-51-400-801. ACCOMPLISHED STEP F. INSTALLATION TEST OF THE AC SYSTEM GENERATOR AND APU MODULE IAW AMM 24-21-51-710-001. ACCOMPLISHED A WINDSHIELD WIPER SYSTEM OPS TEST IAW AMM 30-42-00-700-801. SYS CHECKED NORMAL. REINSTALLED P5 OVERHEAD PANEL. INSTALLED FOUR LIGHT BULBS, AND INSTALLED SAFETY WIRE ON THE NR 1 IDG SWITCH.