What was found
CARGO SMOKE LIGHT ILLUMINATED INTERMITTENTLY EVERY 15 TO 18 SECONDS DURING PREFLIGHT. MAINTENANCE CLEANED SMOKE DETECTOR AND RESECURED LOOSE CANNON PLUG.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CARGO SMOKE LIGHT ILLUMINATED INTERMITTENTLY EVERY 15 TO 18 SECONDS DURING PREFLIGHT. MAINTENANCE CLEANED SMOKE DETECTOR AND RESECURED LOOSE CANNON PLUG.