What was found
WHILE ON APPROACH FOR LANDING AT MBS, UNABLE TO EXTEND FLAPS FOR LANDING, HANDLE JAMMED IN THE UP POSITION. CONFERRED WITH MAINTENANCE CONTROL, UNABLE TO UNJAM. DECLARED EMERGENCY AND RETURNED TO DTW FOR A NO FLAP LANDING. NO FURTHER INCIDENTS. FOUND FLAP RELEASE TRIGGER BINDING. ALSO, FOUND FLAP HANDLE LATCH TORSION SPRING BENT. INSTALLED NEW TORSION SPRING, CYCLED FLAP HANDLE SEVERAL TIMES, CHECKED OK.