As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON PREFLIGHT, FOUND (R) NOSE GEAR DOOR AJAR. FOUND NOSE GEAR (DOORS) UPLOCK BRACKET BROKEN. REMOVED FAILED NLG DOOR SUPPORT BRACKET P/N 550-06610-401 NSN AND INSTALLED NEW NLG DOOR SUPPORT BRACKET P/N 550-06610-401 NSN IIAW SRM 5173-03. NOSE LANDING GEAR DOOR OPERATION IS NOW NORMAL.