What was found
(CAN) WHILE TAXING, APU WAS STARTED AND RAN FOR APPROXIMATELY 15 MINUTES THEN AUTO SHUT DOWN. APU FAULT PANEL INDICATED APU ENGINE LOW OIL PRESSURE. OIL FILTER CONTAMINATED. TURBINE WHEEL VERY HARD TO ROTATE. APU REPLACED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) WHILE TAXING, APU WAS STARTED AND RAN FOR APPROXIMATELY 15 MINUTES THEN AUTO SHUT DOWN. APU FAULT PANEL INDICATED APU ENGINE LOW OIL PRESSURE. OIL FILTER CONTAMINATED. TURBINE WHEEL VERY HARD TO ROTATE. APU REPLACED.