As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT WAS GROUNDED AS A RESULT OF ODOR EVENT DURING DESCENT QRH PROCEDURE INDICATES PACK 1 MAY BE THE SOURCE. AC WAS GROUNDED AS A RESULT OF THE SDR REPORTABLE EVENT. REFERENCE LP580465 #1 FOUND SOURCE OF ODOR TO BE ENG 1. ENG 1 HAS BEEN REPLACED, PERFORMED LEVEL B REMOVAL OF THE CONTAMINATION OF ECS REF AMM 21-00-00-645-503-A. NO DEFECTS NOTED AT THIS TIME. REF LP580465 #2 FOR REPLACEMENT OF ENG 1. ACFT OK FOR SERVICE.