What was found
AFTER T/O LAX, RAISED GEAR & GOT NOSE GEAR UNSAFE UP BOTH POSITIONS. PER RED TABS LOWERED GEAR HANDLE & GOT 3 GREEN. ATTEMPTED TO RAISE GEAR HANDLE & WERE UNABLE. RAN RED TABS FOR GEAR HANDLE, WOULD NOT RAISE. RETURNED TO KLAX. JACKED AIRCRAFT REF DC-10-10 AMM 07-11-00-2. PERFORMED EXTENSION RETRACTION TEST IAW DC-10-10 AMM 32-30-00-5. OBSERVED NLG STRUT EXTENDING SLOW. STRUT NEEDS SERVICE. OBSERVED BLACK FLUID WHILE DRAINING STRUT. SUGGEST STRUT SEAL INSPECTION/CHANGE. C/W DC10 W/C 32T2401 NOSE GEAR STRUT REPACK. OP'D CK NOSE RETRACTION & EXTENSION PER MM 32-30-00-5.