What was found
EMERGENCY RETURN TO ATL FOR SMOKE IN CABIN. HEAVY WT LANDING 134.8 SMOOTH AND LESS THAN 360 FPM SINK RATE. FOUND OIL IN APU INLET. REPLACED APU, CHECKS NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
EMERGENCY RETURN TO ATL FOR SMOKE IN CABIN. HEAVY WT LANDING 134.8 SMOOTH AND LESS THAN 360 FPM SINK RATE. FOUND OIL IN APU INLET. REPLACED APU, CHECKS NORMAL.