As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CARGO DETECTION SUPPRESSION PANEL, ALL LIGHTS ILLUMINATED. PERFORMED TROUBLESHOOTING OF SMOKE DETECTION, FIRE SUPPRESSION SYSTEM IAW AAELTD SMOKE DETECTION STC DRAWINGS FC03-0282 AND -0283 AND MD80AMM 26-10-00. FOUND PIN NR 7 GROUNDED. RESEATED THE PIN IAW SWPM 20-31-00 AND PERFORMED OPS TEST. OPS TEST NORMAL, NO FAULTS NOTED.