As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT AFTER TAKEOFF THE NOSE GEAR DID NOT RETRACT. DECLARED AN EMERGENCY AND RETURNED TO DEPARTURE. LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. MDC INDICATED "NG CENTERED NR 2 SENSOR/UNREASON-FAR" ADJUSTED PROXIMITY SENSOR PX37 AND PX08 IAW AMM 32-61-05, OPS TEST GOOD. OPS TEST OF LANDING GEAR EXTENSION/RETRACTION SYS GOOD IAW AMM 32-30-00. THE ACFT WAS RETURNED TO SERVICE.