Part-66 Module 9 Practice Questions - EASA Part-66 Module 09 - Human Factors Exam

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The 1990 British Airways BAC 1-11 windscreen blow-out, often used as a maintenance human-factors case study, was caused primarily by:

Fitting of incorrect (undersized) bolts during the windscreen replacement A design fault in the windscreen retaining frame Failure to carry out a pressurisation test after the work Corrosion of the airframe around the windscreen aperture

Correct Answer:

Fitting of incorrect (undersized) bolts during the windscreen replacement

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