As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED A LOUD BANGING NOISE FROM UNDER THE COCKPIT IN FLIGHT. REPORTED POSSIBLY NOSE GEAR DOOR SLAMMING SHUT. MX INSPECTED AND REPLACED BOTH RT GEAR WOW PROXIMITY SWITCHES. BOTH WERE FOUND TO PRODUCE AN INTERMITTENT FAULT. OPS CHECKS WERE GOOD.