What was found
DURING DESCENT, AN OILY ODOR FILLED THE CABIN AND COCKPIT. THE AIRCRAFT LANDED SAFELY. MAINTENANCE REMOVED AND REPLACED THE LT AND RT AIR CYCLE MACHINES. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING DESCENT, AN OILY ODOR FILLED THE CABIN AND COCKPIT. THE AIRCRAFT LANDED SAFELY. MAINTENANCE REMOVED AND REPLACED THE LT AND RT AIR CYCLE MACHINES. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE.