What was found
ON THE AFTER T/O CHECKLIST, MOVING THE L/G HANDLE FROM UP TO OFF RESULTED IN THE L/G DISAGREE LIGHTS COMING ON & THE GEAR COMING DOWN. BRINGING THE GEAR BACK TO UP & OFF CAREFULLY WOULD KEEP THE GEAR UP & LOCKED W/ NO GEAR LIGHTS ON. GROUNDED - YES. PERFORMED FIM TASK 32-30 TASK 809 STEPS D 1) A) THROUGH J). JACKED AIRCRAFT AND PERFORMED GEAR SWING. ALL INDICATIONS NORMAL AND NO DEFECTS NOTED. PERFORMED REPAIR CONFIRMATION REF FIM TASK 32-30 TASK 809 STEPS E 1) THROUGH 5) D). PERFORMED MAIN LANDING GEAR OPS TEST REF AMM 32-32-00. TEST PASSED.