As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, THE CREW REPORTED A SMELL, LIKE RUBBER OR OIL, COMING FROM THE RT PACK AT ROW 1 AND 2. THE AIRCRAFT LANDED SAFELY. MAINTENANCE RAN THE RT PACK ON THE APU AND ENGINE BLEED WITH NO DEFECTS NOTED. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (K)