What was found
ON DEPARTURE, SLAT HANDLE WOULD NOT RETRACT PAST 15/0 POSITION. SLAT/FLAP HANDLE APPEARS TO BE MECHANICALLY IMPAIRED. ON LANDING, CONFIGURATION HANDLE WOULD NOT GO PAST 15/20 POSITION. DISASSEMBLED SLAT/FLAP HANDLE IN REF TO AMM 27-51-11-04 AND CMM 27-51-11. FOUND DEBRIS IN ENLONGATED HOLE AT BASE OF HANDLE REF CMM 27-51-11. REMOVED DEBRIS AND REASSEMBLED HANDLE IAW CMM 27-51-11 AND AMM 27-51-11-04. PERFORMED OPS CHECK OF FLAPS AND SLATS IN REF TO AMM 27-50-00-05 WITH NO DESCRIPENCES NOTED. ACFT OK FOR SERVICE.