As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: VERY STRONG BURNING ODOR DURING ENGINE STAR IN THE COCKPIT AND CABIN. ACCOMPLISHED J/C 08L00021001 (SMOKE ODOR FUMES INITIAL TROUBLESHOOTING) FOUND RIGHT RECIRCULATION FAN C/B POPED. REMOVE AND REPLACED RIGHT RECIRCULATION FAN. OPERTIONAL CHECK AND LEAK CHECK GOOD. PER AMM 21-25-02.