What was found
AIRCRAFT WAS GROUNDED. ODOR OF OIL IN CABIN AND COCKPIT AFTER APU START. ODOR DISSIPATES AFTER SEVERAL MINUTES. REMOVED AND REPLACED AUXILIARY POWER UNIT. OPERATIONAL CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED. ODOR OF OIL IN CABIN AND COCKPIT AFTER APU START. ODOR DISSIPATES AFTER SEVERAL MINUTES. REMOVED AND REPLACED AUXILIARY POWER UNIT. OPERATIONAL CHECK GOOD.