What was found
ON PUSH BACK SYD USED A SUPER TUG. NOISES HEARD IN NOSE GEAR DURING PUSH. GEAR DISAGREE CAUTION MESSAGE, (GEAR LEVER WAS NOT JAMMED IN THE OFF POSITION). ALSO HAD A GEAR DOOR ADVISORY MESSAGE, WENT AWAY. FOUND NOSE GEAR STRUT FLAT. REPLACED SEALS AND PACKING REF MM. ACCOMPLISHED LANDING WITH DEFLATED STRUT CHECK IAW MM 5-51-55. PERFORMED GEAR SWING, WHICH WAS SUCCESSFUL AND INSPECTION PERFORMED RII INSPECTION.