crwdns2934241:0crwdne2934241:0 foster anderson

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Charge port replacement question

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Hi,

My computer has had trouble charging. I replaced the charger (onE of the pins was stuck) but the problem has persisted. I noticed some burn marks on my charge port and and looking to replace it. Which charge port is the correct one? and which repair guide?

my macbook is a A1278 model, serial number is: C1MMHY1KDTY3

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MacBook Pro 13" Retina Display Late 2012

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open