What was found
5316- STL- HIGH STAGE BLEED VALVE FAIL MESSAGE AND REPORTED SMOKE IN CABIN. MAINTENANCE REMOVED AND REPLACED HIGH STAGE VALVE. VALVE STUCK OPEN CAUSED SMOKE IN CABIN.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
5316- STL- HIGH STAGE BLEED VALVE FAIL MESSAGE AND REPORTED SMOKE IN CABIN. MAINTENANCE REMOVED AND REPLACED HIGH STAGE VALVE. VALVE STUCK OPEN CAUSED SMOKE IN CABIN.