What was found
DURING CLIMBOUT, CABIN FILLED WITH BLUE SMOKE. RETURNED TO ATL. BOTH PACKS ON AND SMOKE DET CAPTS SIDE AFT WENT OFF. FOUND APU LEAKING OIL. REPLACED APU.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CLIMBOUT, CABIN FILLED WITH BLUE SMOKE. RETURNED TO ATL. BOTH PACKS ON AND SMOKE DET CAPTS SIDE AFT WENT OFF. FOUND APU LEAKING OIL. REPLACED APU.