This is a legal form that was released by the u s.
Form 337 sheet metal repair.
Department of transportation federal aviation administration on october 1 2006 and used country wide.
Faa form 337 major repair and alteration airframe powerplant propeller or appliance what is faa form 337.
Brakes are used to make straight line bends in sheet stock to very precise angles.
Faa 337 title major repair alteration airframe powerplant propeller or appliance edition date october 01 2006 orientation portrait unit of issue ea responsible office afs 350 comments.
Prying another form of mechanical bending is used mostly in repair work.
Print or type all entries.
The mainstays of equipment for bending body metal are brakes and slip rolls.
2120 0020 for faa use only office identification instructions.
The repair data may also be used as approved data and the ac chapter page and paragraph listed in block 8 of faa form 337 when.
An entry is required to be made in the maintenance record and faa form 337 major repair and alteration must be completed.
The tiedown ring screws into a welded steel piece that rivets to the aft bulkhead in the sheet metal bulkhead airplanes later ones had a beefier cast bulkhead more like the 172.
Major repair and alteration airframe powerplant propeller or appliance form approved omb no.
See far 43 9 appendix b and ac 43 9 1 or subsequent revision thereof for instructions and disposition of this form.
The mailing address information resides in regulation far part 43 appendix b as.
It is directly applicable to the repair being made.
Faa form 337 major repair and alteration must be completed for repairs to the following parts of an airframe and repairs of the following types involving the strengthening reinforcing splicing and manufacturing of primary structural members or their replacement when replacement is by fabrication such as riveting or welding.
The user has determined that it is appropriate to the product being repaired.
It is not contrary to manufacturer s data.
Minor deviation from approved data is permissible if the change is one that could be approved as a minor alteration when considered alone.