What was found
UPON GEAR RETRACTION, THE LG WOULD NOT RETRACT. THE LG WAS RECYCLED, BUT THE GEAR REMAINED DOWN & LOCKED. THE FLIGHT DECLARED AN EMER & RETURNED TO FIELD. THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. ACFT REMOVED FROM SERVICE. OPERATIONALLY CHECKED GEAR EXTENSION & RETRACTION THREE TIMES. OPERATION NORMAL. LGCIU`S OPERATIONALLY CHECKED NORMAL.