Training / Qualification
Aircraft Equipment Problem Less Severe; Deviation / Discrepancy - Procedural Maintenance; Deviation / Discrepancy - Procedural Published Material / Policy
General Maintenance Action
Aircraft; Human Factors; Procedure
While jacking Aircraft X to complete tasks [A] and [B] during visit; noted that the NLG (Nose Landing Gear) did not go to the centered position. I was able to move the NLG tires from right of center to left of center and back; but it had a lot of resistance to do it. It would not 'lock' to the centered position while fully extended on jacks.Jacked A/C to complete another task and noted that the NLG did not center with the A/C on jacks.We removed the sliding member from the NLG and found that the fluid was clear and fresh. While removing the sliding unit it was noted that the 2 pins ([Maintenance Manual 32-20-04; Fig 5; item 95; PN MS51838-107) were not installed. Disassembled lower sliding unit and found the 2 lock pins not installed. Did some research and found the NLG strut was repacked on [Day X]. The A/C came into ZZZ on [Day X+16] as a RON (Remain Overnight). We installed the pins and reinstalled the sliding member; serviced and ops check of the centering was good.The repack job cards step address installing these pins. Appears to be a failure to follow procedures.
Maintenance Technician reported Maintenance Procedure on Nose landing Gear on CRJ-200 was not performed correctly.