What was found
BURNING RUBBER SMELL OUT OF PACK 1 WHILE IN FLIGHT. MAINTENANCE: GROUND RAN AC NO BURNT SMELL NOTED, ALSO PERFORMED OPS CHECK OF PACK SYSTEMS IAW 21-51-00, OPS CHECK GOOD OK FOR SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
BURNING RUBBER SMELL OUT OF PACK 1 WHILE IN FLIGHT. MAINTENANCE: GROUND RAN AC NO BURNT SMELL NOTED, ALSO PERFORMED OPS CHECK OF PACK SYSTEMS IAW 21-51-00, OPS CHECK GOOD OK FOR SERVICE.