What was found
PHL/ATL - FLT 219 - AT THE GATE IN PHL, THE FLIGHT CREW FOUND SMOKE IN THE CABIN. FOUND APU (PN GTCP8598D) LEAKING OIL CAUSING SMOKE IN THE CABIN; THE APU WAS PLACED ON MEL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PHL/ATL - FLT 219 - AT THE GATE IN PHL, THE FLIGHT CREW FOUND SMOKE IN THE CABIN. FOUND APU (PN GTCP8598D) LEAKING OIL CAUSING SMOKE IN THE CABIN; THE APU WAS PLACED ON MEL.