What was found
LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. RETURNED TO THE FIELD. MAINTENANCE CLEANED THE CANNON PLUGS ON THE WEIGHT ON WHEELS SWITCH, TEST FLEW AIRCRAFT WITH ALL INDICATIONS NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. RETURNED TO THE FIELD. MAINTENANCE CLEANED THE CANNON PLUGS ON THE WEIGHT ON WHEELS SWITCH, TEST FLEW AIRCRAFT WITH ALL INDICATIONS NORMAL.