As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON RETRACTION OF LANDING GEAR, THE RIGHT MAIN SHOWED UNSAFE, THE LEFT MAIN AND NOSE SHOWED UP, GEAR DOORS SHOWED OPEN. FOUND RIGHT UPLOCK PROXIMITY SENSOR PLUG CORRODED. REMOVED AND REPLACED THE FORWARD GEAR DOOR PROXIMITY SENSOR AND ELECTRICAL CONNECTOR IAW DHC MM. RETRACTION TEST SATISFACTORY. AIRCRAFT RETURNED TO SERVICE. (M)