check B

check B

A maintenance check of aircraft that involves a complete check of the airframe and the aeroengine. The check is more detailed than check A, with special checks on certain specified system. See also check A.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
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The tribunal also heard the social worker was not supervised properly and he did not check B's complete files before he was put in the foster home.