Not Ranked
There is definate bluing as mentioned near the visable lobe, however it is unclear if it is confined to only this lobe OR if it is indicative of the hardening for each lobe during the manufacturing process?? IMO if the roller had frozen there would be more significant metal tranfer. There is no doubt a problem with the lifter but it appears to be at the initial stage of failure. JMO
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Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way 
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