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t a recent nondestructive testing (NDT) task group meeting, the topic of human factors came up, and it took me back to my previous position as a Federal Aviation Administration (FAA) repair man. Part of my responsibilities then was to help develop a training manual as a companion to our repair station and quality control manual. At that time the Handbook Bulletin for Airworthiness Order 8300.10 required that human factors be included in the training program.

Human factors typically depend on many influences, and numerous FAA documents offered suggestions about what these could be. However, none applied to our small compressor-blade repair facility.

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