Check the listing for details. 646 pg. 43.13-1B Methods Techniques Practices - Aircraft Repair Inspection on CD. Condition: New. Listed at 14.99 USD. [This includes Change 1.]. This data generally pertains to minor repairs. The repairs identified in this AC may only be used as a basis for FAA approval for major repairs. 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.