As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REFERENCE LP391351 ITEM 2 AC WAS GROUNDED DUE TO ODOR NOTICED DURING CRUISE ROW 34 AND AFT. PERFORMED ODOR PROCEDURE. ODOR PERSISTED. PERFORMED IDENTIFICATION OF THE CAUSE FOR CABIN ODOR IAW TSM 05-50-00-810-831-A. NO ODORS DETECTED. FAULT/ODOR COULD NOT BE DUPLICATED. FOLLOWED CORRECTIVE ACTIONS TYPE 3 AND TYPE 6. A/C OK FOR SERVICE