As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW DECLARED AN EMERGENCY AND ACFT DIVERTED. CARGO FWD SMOKE AT FL 270, 12 MIN AFTER T/O PUSHED AFFECTED CARGO SMOKE, THE LIGHT NEVER WENT OUT. R & R NR 1 CUSTOM I/O & NR 1 GENERIC I/O CARDS IAW AMM 31-41-06-04 & 31-41-07-04. ALL CKS NORMAL.