What was found
GEAR HANDLE WOULD NOT COME UP AFTER T/O , TRIED OVERRIDE SWITCH NO JOY. RAN QRH CAME BACK AND LANDED CHECKED BOTH TRIM CYLINDERS FOR LEAKAGE NO EXTERNAL LEAKS NOTED, PINNED GEAR AND RAISED GEAR HANDLE WHILE WATCHING TRIM INTERLOCK CYLIDER , GEAR HANDLE GOES TO THE UP POSITION WHILE HOLDING OVERIDE BUTTON. PERF BITE ON PSEU NO CURRENT OR LAST FLT FAULTS LOGGED, ALL WORK IAW AMM 32-10-00-5 . BLED LT & RT MLG TRIM CYLINDERS AND RESET AND SAFETIED INTERLOCK FUSE REF AMM 32-37-01-2. DISCONNECTED NLG TEE LINKS REF AMM 32-21-02-02 AND CHECKED MLG CONTROL MECHANISM INTERLOCK REF AMM 32-31-02-2. INTERLOCK OPS NORMAL WITH ACFT IN FLT MODE. RECONNECTED NOSE GEAR TEE LINKS REF AMM 32-21-02-2. RETRACTED GEAR SEVERAL TIMES WITH NO PROBLEMS, PER 32-30-00-5.