What was found
CABIN ODOR. HAPPENED WHEN APU AIR WAS TURNED ON. AIR OK IAW CREW UNTIL THEN. FOUND AUXILLIARY POWER UNIT TO BE THE SOURCE OF THE ODOR REPLACED APU DUE TO LOAD COMPRESSOR INTERNAL OIL LEAK. THE ACFT WAS GROUNDED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CABIN ODOR. HAPPENED WHEN APU AIR WAS TURNED ON. AIR OK IAW CREW UNTIL THEN. FOUND AUXILLIARY POWER UNIT TO BE THE SOURCE OF THE ODOR REPLACED APU DUE TO LOAD COMPRESSOR INTERNAL OIL LEAK. THE ACFT WAS GROUNDED.