As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH THE RH MLG DID NOT LOCK DOWN AND SHOW A GREEN LIGHT WHEN EXTENDED. THE GEAR WAS CYCLED BUT THERE WAS NO CHANGE IN INDICATIONS. MANUAL GEAR EXTENSION PROCEDURES WERE USED AND THREE GREEN LIGHTS WAS ACHIEVED BEFORE LANDING. R&R AND ADJUSTED RH DOWNLOCK SWITCH OPS CHECK GOOD, OCF SATISFACTORY