What was found
FUMES (ELECTRICAL BURNING SMELL IN COCKPIT AND CABIN) SOURCE NOT IDENTIFIED. ACCOMPLISHED FIM 21-20-00. FOUND CABIN SIDEWALL LIGHTS OUT AT 6CB AND 2A AND CA CHART HOLDER LIGHT MISSING ONE BULB. PERFORMED ETN-EM-72-034. NO ODOR DETECTED. RAN ENGINES WITH CREW. PERFORMED TROUBLESHOOTING OF ELECTRICAL ODOR AND FOUND THE NR 2 RECIRCULATION FAN INOPERATIVE. REMOVED AND INSTALLED CONDENSER, MIXER ON THE RT PACK IAW AMM 21-51-04. REMOVED AND REPLACED PAX CABIN SIDEWALL LIGHTS IAW AMM 33-21-067 CHECKED GOOD. INSTALLED BULBS IAW AMM 33-11-06. OPS CHECKED GOOD.