As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUMES IN CABIN, FLIGHT DIVERTED. FOUND THE EQP COOLING 1 SUPPLY FAN POPPING CB. FAN REMOVED. REPLACED COOLING FAN. IMPELLER HAD FOD TO THE L/E, CAUSED BEARING TO DAMAGE AND IMPELLER RUB ON HSG. STATOR ALSO FAILED ELECTRICAL TEST. CONFIRMED BAD. RAN PACKS AND ELECTRICAL SYS WITH ENGINES AND APU SUPPLYING POWER, NO ELECTRICAL FUMES NOTED.