As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, FLIGHT ATTENDANT REPORTED SMELL OF SMOKE COMING FROM CABIN ENTS. AIRCRAFT RETURNED TO LAX. DECLARED EMERGENCY FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE LEFT AIR CYCLE MACHINE IAW SAAB MM. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)