As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF FROM HNL. THE A/C WAS RETURNED TO HNL WHERE IT LANDED W/O INCIDENT. MX FOUND THE MLG INTERLOCK CYLINDER RETRACTED. RESET TRIM CYLINDER FUSE. INTERLOCK CYLINDER NOW IN PROPER POSITION IAW MM 32-31-06, PAGE 201.