What was found
FLT NR 1490 - CLE - THE FLAP/SLAT HANDLE WOULD NOT LOCK INTO THE SLAT RETRACT POSITION. WHEN HOLDING FLAP/SLAT HANDLE TO SLAT RETRACT POSITION THE SLAT DISAGREE LIGHT CAME ON AND BOTH LEFT AND RIGHT HYDRAULIC GAUGES DROPPED. THE DIAL-A-FLAP WAS MOVED SEVERAL TIMES. A SNAP WAS HEARD, AND THEN SLATS WERE RAISED. THE AIRCRAFT WAS RETURNED TO CLE WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE DIAL-A-FLAP STOP MECHANISM AND FLAP/SLAT HANDLE DIRTY AND GUMMED UP. THE STOP MECHANISM AND HANDLE WERE CLEANED AND LUBRICATED. OPERATION WAS SMOOTH AND NO DEFECTS WERE NOTED. (M)