As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR DOOR EICAS RAN QUICK REFERENCE HANDBOOK RETURN TO KCVG- ATC DELCARED EMERGENCY. PERFORMED FIM 32-61 TASK 888, NO DEFECTS NOTED, GENERAL VISUAL INSPECTION OF GEAR DOORS AND SWING OF GEAR DOORS IAW B747-400 AMM 32-10-01 GOOD. NO DEFECTS NOTED. EVENT LOG #03995 ATTACHED WITH ADDITIONAL NARRATIVE.