As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PCA HOSE MATERIAL BLOWING THROUGH GASPERS. REMOVED FROM SERVICE. PERFORMED GVI OF AIR MIX H-DUCT IN REF WITH E175 AMM TASK 21-20-03-210-801-A. PERFORMED ENGINE PNEUMATIC BLEED SYSTEM TEST IN REF WITH E175 36-11-00-710-801-A. ALSO CHECKED ALL GASPERS IN CABIN AND FOUND NO MATERIAL / DEBRIS COMING FROM GASPERS. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.