As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIT - FLIGHT 0856 - AIRCRAFT RETURNED TO PIT DUE TO THE LEFT AILERON BINDING. NO EMERGENCY WAS DECLARED AND THE AIRCRAFT LANDED SAFELY. MAINTENANCE LUBED THE LATCHED CONTROL MIXER ASSEMBLY AND RECHECKED THE AILERON TAB DEFLECTION FORCE LEFT AND RIGHT WING. (M)