how to support a airplne(boeing 737) for repairs

[flypax]

for example, replacement of aft frame of cargo doorway?
replacement of sta787 lower frame in aft cargo compartment?
repair keel beam lower chord per srm53-60-12 repair 3?
what is basic principle?

 

[IRstuff]

The basic principle is that you follow the instructions and applicable ADs.

TTFN

FAQ731-376
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[berkshire]

If you have to ask this question, you need to hire a consultant who has done, or supervised this kind of repair before.
B.E.

 

[CoffinsCorner]

For 737 shoring requirements, you could send a mail to boeing (RSE) for a second opinion if you are in doubt...

 

[rb1957]

what does the boeing SRM say ? (for the specific repair you mention)

generally, do you think the plane is going to "spring" if you detach a frame ? for an unloaded plane, i personally doubt it, BUT if you're trying to realign rivet holes afterwards then even small deflections will make this difficult. i'd support the plane on jacks (4) ... just my 2c ...