What was found
UNKNOWN BURNING ODOR AFTER LANDING. THE ODOR CAME FROM AIR CYCLE MACHINE WHEN THE NR 1 PACK WAS TURNED ON. NR 1 PACK FAILED. REMOVED AND REPLACED THE NR 1 ACM IAW IAW MM 21-51-05. OPS CHECKED GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UNKNOWN BURNING ODOR AFTER LANDING. THE ODOR CAME FROM AIR CYCLE MACHINE WHEN THE NR 1 PACK WAS TURNED ON. NR 1 PACK FAILED. REMOVED AND REPLACED THE NR 1 ACM IAW IAW MM 21-51-05. OPS CHECKED GOOD.