What was found
PDX - CREW REPORTED OILY ODOR IN FLIGHT COMPARTMENT AT START UP. REMOVED AND REPLACED AIR CYCLE MACHINE. INSPECTED P2/P3 VALVE ASSEMBLY. ENGINE AND PRESSURIZATION CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX - CREW REPORTED OILY ODOR IN FLIGHT COMPARTMENT AT START UP. REMOVED AND REPLACED AIR CYCLE MACHINE. INSPECTED P2/P3 VALVE ASSEMBLY. ENGINE AND PRESSURIZATION CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.