What was found
AT 9000 FT, WITH THE GEAR HANGLE IN THE OFF POITION, GEAR EXTENDED. WHEN THE HANDLE WAS MOVED UP, WITH OVERIDE, 3 RED LIGHTS AND THE GEAR DID NOT COME UP. IN DOWN POSITION 3 GREEN LIGHTS FOLLOWED QRH. PERFORMED GEAR CONTROL SYS, NLG & MLG EXTENTION AND RETRACTION TEST, NLG & MLG MANUAL EXTENTION TEST. HYDRAULIC RESERVOIR SERVICE IAW AMM 32-31-00, 32-32-00, 32-33-00, 32-34-00, 32-35-00 AND 12-12-00. PERFORMED REPORT 98-16. NO FAULTS NOTED.