What was found
AFTER T/O GEAR HANDLE WOULD NOT MOVE, FOLLOWED RED TABS, DUMPED 4500 LBS. RETURNED TO SFS. LANDED UNEVENTUALLY. REMOVED AND REPLACED TRUCK BEAM TRIM CYLINDER FUSE. BLEED SYSTEM ADJ/TEST SATISFIED. PERFORMED A/C JACKING & PERFORMED LANDING GEAR RETRACTION/EXTENSION OK. RII COMPIED WITH.