As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 2886, MIA-LAX(DIVERTED TO TPA). AFT AVIONICS COMPARTMENT SMOKE INDICATION IN FLIGHT FOR SEVERAL MINUTES, C/W GVI OS AFT AVIONIC RACK IAW TSM 26-15-01 FOUND LTV BOX LOOSE IN RACK POSSIBLE CAUSE OF SMOKE GOS HAD ODOR OF BURNING. PLACARD LTV SYS ON NEL SEE DEFECT 3178538-1 A/C OK FOR CONT SVC