As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 895 BOS-PUJ, AIRCRAFT DIVERTED TO BDA DUE TO AFT AVIONICS POWER RACK SMOKE LIGHT ILLUMINATED IN FLIGHT. ON TROUBLESHOOTING THE TECHNICIAN FOUND LTV COOLING FAN SEIZED. REMOVED AND REPLACED COOLING FAN. WORK PERFORMED PER LTV MM 23-39-00. OPS CHECK OK.