As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT: 9133 JAX/TPA - AFTER TAKEOFF WITH BOTH BLEED AIR VALVES OPEN AND HEAT APPPLIED IN THE MANUAL MODE BURNED ODOR PERSISTS. ODOR WENT AWAY WHEN BLEED AIR VALVES WERE CLOSED. RAN ENGINES WITH BLEED VALVES OPEN FOR SEVERAL MINUTES COULD NOT DUPLICATE PROBLEM.