As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB OUT, FLIGHT CREW REPORTED SMOKE WARNING ANNUNCIATOR WENT OFF AND MADE AN EMERGENCY LANDING. MX CREW PERFORMED ALL NECESSARY PROCEDURES FOR MEL 26-8B. ACFT WAS FERRIED, WHERE BOTH FORWARD AND AFT SMOKE DETECTORS WHERE REPLACED. OPS CHECK WAS PERFORMED SATISFACTORY.