What was found
FUMES AFTER TAKEOFF AT 30,000 FT, ODOR OF BURNING PLASTIC THEN SWEET ODOR IN THE FLIGHT DECK & R3 DOOR AREA. FLT ATTENDANTS STATED NO ODOR NOTED IN CABIN. PERFORMED DUCT BURNOUT IAW IAW AMM 36-11 AND HIGH POWER RUNS IAW AMM 71-00. NO ABNORMAL ODORS NOTED. PERFORMED GVI OF APU BLEED FLEX DUCT, NO OIL OR CONTAMINATION FOUND. ACFT OK FOR SERVICE.