For the second time in recent months, calls for required safety actions have resulted in advisory, not required, responses. The most recent case involves a bulletin issued March 3 by the Federal Aviation Administration (FAA) on maintenance record-keeping for horizontal stabilizer jackscrews on Douglas-built DC-9/MD-80/90 series airplanes and on the Boeing [BA] B717, a derivative model of the Douglas series (see ASW, April 19). The document in question is Flight Standards Information Bulletin for Airworthiness (FSAW) No. 04-03. It is…
Safety Discussion Item #1: The Semantics of ‘Required’: Reverse Midas Touch
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