As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4533 CREW REPORTED NLG DOORS DID NOT RETRACT/CLOSE UPON GEAR RETRACTION. ACFT REMOVED FROM SERVICE. REMOVED AND REPLACED LANDING GEAR ELECTRONIC CONTROL UNIT IAW AMM 32-32-01. OPS CHECK GOOD, ACFT PASSED FCF. ACFT RETURNED TO SERVICE.