As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED DUE TO AFT AVIONICS COMPARTMENT SMOKE. ACCOMPLISHED CHAPTER 5 SMOKE INSPECTION. INSPECTED AFT AVIONICS EQUIPMENT RACK AND WIRING WITH NO DEFECTS NOTED IAW TSM 05-50-00-810-831-A. PERFORMED OPS TEST OF THE AVIONICS VENT SYSTEM IAW AMM 21-26-00-710-001-A. NO DEFECTS NOTED.