You do not lose the entire blade every time.  Depends on how the chip was lost or what chip were lost, it could be a total loss, but not because you lost one chip doesn't make it automatically lose the whole hashing PCB.  Yes it can be but based on your Miner Status Page, you did not lose the whole hash PCB.

Please follow the warranty document included with your S5+ shipment.  

FYI: https://bitmain.zendesk.com/hc/en-us/article_attachments/203226375/S5__brief_user_guide_and_warranty.pdf

(Please do not shoot the messenger...  Please!!!)