What was found
ON L/O, FOUND APU LOW ON OIL. SERVICED APU. ON APU START ATTEMPT, FOUND HEAVY SMOKING IN APU COMPARTMENT WITH TORCHING FROM APU EXHAUST. REPLACED APU.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON L/O, FOUND APU LOW ON OIL. SERVICED APU. ON APU START ATTEMPT, FOUND HEAVY SMOKING IN APU COMPARTMENT WITH TORCHING FROM APU EXHAUST. REPLACED APU.