FlyerTalk Forums - View Single Post - The Official Delta A319/A320/A321 Cabin Mods Thread
Old Oct 12, 2016 | 10:52 am
  #412  
N515CR
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Originally Posted by Dawgfan6291
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.
Got it. Thanks for the detail! I've updated part of my previous post.
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