As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN SMOKE DETECTOR LIGHT ILLUMINATED IN FLIGHT AT FL 28,000 FT AND REMAINED ILLUMINATED UNTIL APPROX FL 3000 FT AT WHICH TIME IT EXTINGUISHED AND SYSTEM TESTED NORMAL. VISUALLY CONFIRMED NO SMOKE PRESENT AND LANDED AT DAYTON WITHOUT INCIDENT. REPLACED NR 2 SMOKE DETECTOR PER MM 26-17-0. OPS CHECKS NORMAL. (M)