As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHORTLY AFTER TAKEOFF, AIRCRAFT (LT BLEED AIR) WARNING ILLUMINATED, AND (RT BLEED AIR) WARNING ILLUMINATED APPROX 5 SEC LATER, SMELLED ODOR IN MAINTENANCE. UNABLE TO DUPLICATE MALFUNCTION ON GROUND RUN; LT MIXING VALVE WAS SUSPECTED, SO REPLACED. PERFORMED GROUND RUN FUNCTIONAL TEST OF BLEED AIR SYSTEM, AND FLIGHT TEST. NO FURTHER BLEED AIR WARNINGS. (K)