As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON LANDING, DECLARED EMERGENCY DUE TO GEAR DOOR OPEN LIGHT WITH THREE GEAR GREEN DOWN & LOCKED MANUAL GEAR EXTENSION. COULD NOT DETERMINE WHICH DOOR WAS CAUSE OF MALFUNCTION. LANDED WITH GEAR DOORS DOWN. MX FOUND RIGHT MLG TARGET BROKEN. R & R RT MLG TARGET IAW MM. OPS CHECKS OK.