As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE AND FUMES DETECTED CLIMBING OUT OF 11,000 FT. DIVERTED. SMOKE ORIGINATED AT ROW 27ABC TO FWD CABIN . FOLLOWED NO GO ODI. TROUBLESHOT IAW AMDS 2120-2367. FOUND CABIN RECIRCULATION FAN NOT RUNNING. ALL THREE CIRCUIT BREAKERS PHASES TRIPPED. REPLACED THE CABIN AIR RECIRCULATION FAN.