As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 360, A VERY LOUD ELECTRICAL ARCING SOUND BEGAN IN FWD E & E BAY WITH VERY STRONG ODOR OF BURNING ELECTRICAL EQUIPMENT. EMERGENCY DECLARED & LANDED. R&R AVIONICS RACK COOLING FAN CIRCUIT BREAKER IAW SRM 21-26-0 AND INSTALLED AVIONICS RACK COOLING FAN NR 3, IAW AMM 21-26-02-4. SYSTEM OPS CHECKED NORMAL.