Form 337 Sheet Metal Repair

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.

Form 337 sheet metal repair.

This report is required by law 49 u s. The user has determined that it is appropriate to the product being repaired. Prying another form of mechanical bending is used mostly in repair work. 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.

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. It is not contrary to manufacturer s data. With the tiedown ring only i ve seen tail strikes hard enough to break the ring off or at least bend it pretty good and the steel piece was either fine or was. Department of transportation federal aviation administration on october 1 2006 and used country wide.

An entry is required to be made in the maintenance record and faa form 337 major repair and alteration must be completed. Brakes are used to make straight line bends in sheet stock to very precise angles. Faa form 337 major repair and alteration airframe powerplant propeller or appliance what is faa form 337. Major repair and alteration airframe powerplant propeller or appliance form approved omb no.

The mailing address information resides in regulation far part 43 appendix b as. 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. Bending and beading apply more to fabrication than to repair. The mainstays of equipment for bending body metal are brakes and slip rolls.

See far 43 9 appendix b and ac 43 9 1 or subsequent revision thereof for instructions and disposition of this form. This is a legal form that was released by the u s. Minor deviation from approved data is permissible if the change is one that could be approved as a minor alteration when considered alone.