FlyerTalk Forums - View Single Post - The Official Delta A319/A320/A321 Cabin Mods Thread
Old Oct 12, 2016 | 6:38 am
  #411  
Dawgfan6291
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Originally Posted by N515CR
Per the same poster on a.net, 7 A320s are scheduled for retirement in 2017. 3215 mentioned above is approaching a heavy check, but the others are not.
quick note.
Its going to be due for an L check which isn't really a heavy check. Its about ~1 week long.

The 32S fleet get L checks (think C-check) and M/H checks (which would be the HMV/D-check)

Ls are mostly done in-house, M/H are done by vendors.

L stands for letter check
M stands for major
H stands for heavy.

I can't remember which is the heavier check between M and H.
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