As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF GEAR HANDLE WOULD NOT RETRACT. FOUND SWITCH S1-89 STICKING. REPLACED SAME. LIGHTS CK OK WITH GEAR HANDLE. INSPECTED HANDLE AND GROUND SHIFT MECHANISM, NOSE GEAR AND STRUT. CHECKS GOOD. SERVICED NOSE STRUT PER M/M, JACKED AIRCRAFT AND RAN GEAR SEVERAL TIMES. ALL GEARS OPERATE NORMALLY. ALL GEAR INDICATIONS CHECK NORMAL.