What was found
AIRCRAFT EN ROUTE ORD TO YYC, CREW OBSERVED SMOKE IN THE CABIN THAT WOULD NOT DISSIPATE. AIRCRAFT RETURNED TO ORD. REPLACED APU PERFORMED PACK BURN OUT AND CHANGED COALESCER BAGS. LEAK CHECKED AND SYSTEM GROUND CHECKED NORMAL. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT EN ROUTE ORD TO YYC, CREW OBSERVED SMOKE IN THE CABIN THAT WOULD NOT DISSIPATE. AIRCRAFT RETURNED TO ORD. REPLACED APU PERFORMED PACK BURN OUT AND CHANGED COALESCER BAGS. LEAK CHECKED AND SYSTEM GROUND CHECKED NORMAL. (M)