As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 1776 EN-ROUTE, GEAR WILL NOT RETRACT, NO EICAS MSGS. GEAR HANDLE WOULD NOT MOVE. THE FLIGHT RETURNED TO FIELD & LANDED WITHOUT FURTHER INCIDENT. VERIFIED PROBLEM DURING GEAR RETRACTION TEST AMM 32-33-00. R & R LG SELECT HANDLE AMM 32-33-01. GEAR RETRACTION TEST SATISFACTORY SEVERAL TIMES. ACCOMPLISHED INSPECTION.