What was found
ELECTRICAL BURNING ODOR IN THE COCKPIT & CABIN. PERFORMED AMM 05-50-00-810-831-A AND ODOR DETERMINED TO BE TYPE 9. TSM INSPECTION 24-00-00-810-823-A PERFORMED. INSPECTION OF COCKPIT, CABIN, GALLEYS, LAVS AND AVIONICS BAYS AND NO ODORS FOUND. DURING ENGINE RUNS, FOUND THE NR 2 ENGINE BLEED HAD ELECTRICAL ODOR. FOUND WATER DRAIN SYS CIRCUIT BREAKER B05 TRIPPED AT 2001VU PANEL. PERFORMED ENGINE RUN OF NR 1 AND 2 ENGINES IAW AMM 71-00-00, ALL PARAMETERS NORMAL. NO ELECTRICAL OR BURNING ODOR NOTED. OK FOR SERVICE. R & R RELAY 7MP IAW AMM 30-17-00-810-A, OPS CHECKED GOOD, NO CIRCUIT BREAKER ABNORMALITIES.