WLC shows AP in download status when it already downloaded from WLC

[DAVID]

I have a WLC 5520 running 8.5.140 and it seems that I have a 3702i AP that just decided to download the 8.5.140 code when it already has the code for the last three weeks.  Is this a bug or just some cosmetic inconvenience? 

[Haydn Andrews]

An AP will download new software version during an AP join if its not the same version as the WLC.

The AP hasn't joined a secondary controller that wasn't running 8.5.140.

There was an AP flash corruption bug:

https://www.cisco.com/c/en/us/support/docs/wireless-mobility/wireless-lan-wlan/213317-understanding-various-ap-ios-flash-corru.html

[Leo Laohoo]

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@DAVID wrote:

I have a WLC 5520 running 8.5.140 and it seems that I have a 3702i AP that just decided to download the 8.5.140 code when it already has the code for the last three weeks.   

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Looks like "my friend" is back:  Understanding Various AP-IOS Flash Corruption Issues

If you look at the AP's "Operational Status", it says "Downloading"?  What about the IP address?  Is it 0.0.0.0?  And the AP name?  Is it a default AP name (APmacaddress)?

[Chris C'Leon]

as far as I have reviewed this looks like a cosmetic issue, the solution is whether restart the AP, the WLC, or both.

Currently, I did no find any documentation or bugs related as this hardly ever happens and after the reboot it solves the issue.