AMO Repair & Alterations by: FAA ASA-AC43.13-1B2B

AC 43.13-1B and 2B is an FAA advisory circular (AC) that pertains to aircraft repairs and inspections.
The AC contains data for minor repairs to non-pressurized areas of an aircraft. The data can be used when there are no repair or maintenance instructions published by the manufacturer.
The AC provides details on materials and practices, health and safety, inspection, repair, and finishes for wood structures, fabric covering, fiberglass and plastics, and metal structures, welding and brazing.
AC 43.13-2B can be used as approved FAA data.