What was found
MCI - FLT 356, 354, 2259 - WHILE ON APPROACH INTO MCI FROM BUF, FLAPS WOULD NOT EXTEND BEYOND 25 DEGREES. MAINTENANCE PERFORMED OPERATIONAL CHECK PER BOEING MM 27-51-01. SYSTEM CHECKED NORMAL ON GROUND. SUBSEQUENTLY, ON APPROACH TO MDW FROM MCI, FLAPS WOULD NOT EXTEND BEYOND 15 DEGREES. MAINTENANCE PERFORMED A VISUAL INSPECTION OF TRAILING EDGE FLAPS AND LEADING EDGE FLAPS SYSTEM WITH NO DEFECTS NOTED. PERFORMED A LUBE 1 ON TRAILING EDGE FLAPS AND PERFORMED OPERATIONAL CHECK PER BOEING MM 27-51-01. OPS CHECK OK ON GROUND. WHILE ON APPROACH TO MCI FROM DFW FLAPS WOULD NOT EXTEND BEYOND 12 TO 13 DEGREES. (M)