As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF FLT ATTENDANT REPORTED AN ODOR THROUGHOUT THE CABIN. ODOR WAS EVIDENT ALSO IN COCKPIT. NO ALARMS, NO VIVIBLE SMOKE. CHECKED GALLEYS, NOTHING CAUSING ODOR. APU WAS OFF CROSSFEED CLOSED AND ENGINES AT CLIMB EPR. ODOR DISSAPATED AT 15000 FT AND WAS GONE BY FL310. PERFORMED DUCT BURNOUT.