As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"FUMES SUSPECTED ON PACK 1 DID SEVERAL ISOLATIONS AND CONFIRMED PACK ONE SMELL-PERFORMED IDENTIFICATION OF THE CAUSE OF CABIN ODORS OR SMOKE. FOUND PACK#1 TO BE THE SOURCE. SOURCE WAS ALSO CONFIRMED BY THE PREVIOUSED PILOT. SEE LOG PG 2450912-2 FOR MEL PACK #1. A/C OK FOR SERVICE. IAW TSM 05-50-00-810-831-A. "