As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED A BURNING ODOR AFTER TAKEOFF AND ANTI-ICE WENT OFF. NO VISIBLE SMOKE. BLEED 1 SHOWING IN THE RED AND ODOR DISIPATED AFTER ANTI-ICE WENT OFF. MAINTENANCE R & R THE LT FAN AIR VALVE WITH OPS CHECK GOOD AND NO FURTHER BURNING ODOR OR ODORS NOTED. ACFT WAS APPROVED FOR RETURN TO SERVICE.