As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AILERON'S STIFF AND WILL NOT RETURN TO CENTER. AIRCRAFT WAS GROUNDED. CLEANED AND LUBE ROD BEARING. C/W INSPECTION FOR AILERON PULLEYS, ALL CHECKS NORMAL. LUBED AILERON PULLEYS AS PRECAUTIONARY. C/W OPS CHECK. AILERON ZERO OUT ON BOTH LH AND RH YOLK. REF AMM 27-11-08, 21-11-00