1. 8458. After making a certain repair to an aircraft engine that is to be returned to service, an FAA Form 337 is prepared. How many copies are required and what is the disposition of the completed forms? A. Two; one copy for the aircraft owner and one copy for the FAA. B. Two; one copy for the FAA and one copy for the permanent records of the repairing agency or individual. C. Three; one copy for the aircraft owner, one copy for the FAA, and one copy for the permanent records of the repairing agency or individual.