What was found
ON PREFLIGHT, WHEN CREW TURNED ON SUPPLEMENTAL AC SYSTEM, A SMOKY HAZE IN CABIN. MAINTENANCE CONFIRMED AC SYSTEM CAUSING PROBLEM. MAINTENANCE REMOVED AND REPLACED BELT & COVER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON PREFLIGHT, WHEN CREW TURNED ON SUPPLEMENTAL AC SYSTEM, A SMOKY HAZE IN CABIN. MAINTENANCE CONFIRMED AC SYSTEM CAUSING PROBLEM. MAINTENANCE REMOVED AND REPLACED BELT & COVER.