As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED JUST AFTER LEVELING AT FL 360 THEY HEARD & FELT A LOUD THUMP UNDER THE COCKPIT FLOORBOARD. THE ACFT DID NOT GIVE ANY AN INDICATION OF A MALFUNCTION , BUT THE CREW HEARD THE THUMP AGAIN. THE CREW DIVERTED SO THAT MX COULD INSPECT THE ACFT. THE ACFT LANDED WITHOUT INCIDENT. THE ACFT WAS REMOVED FROM SERVICE. R & R THE NR 2 PROX SWITCH ON RT MLG UPLOCK IAW AMM 32-61-01. THE FUNCTIONAL CHECK WAS GOOD IAW AMM 32-63-05. THE ACFT WAS RETURNED TO SERVICE.