As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER GEAR RETRACTION NOTICED A GEAR NOISE WAS VERY LOUD WITH SEVERAL BANGS AND NO SPECIFIC RHYTHM. DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. CMC DOWNLOADED AND FOUND RT MLG UPLOCK PROXIMITY SWITCH FAILED AND R & R BOTH UPLOCK PROXIMITY SWITCHES ON RT MLG UPLOCK IAW AMM 32-61-01. THE FUNCTIONAL CHECK WAS PERFORMED IAW AMM 32-63-05 AND FOUND GOOD. THE ACFT WAS RETURNED TO SERVICE.