When should a mechanic’s certification be suspended?

A mechanic's certification can be suspended for unauthorized conduct during FAA testing because such behavior compromises the integrity of the testing process and poses a risk to aviation safety. The FAA relies on the honesty and professionalism of mechanics to ensure that they meet safety standards and regulations. Engaging in unauthorized conduct, such as cheating or violating the rules during examinations, undermines the certification's validity and the public's trust in safety measures.

In contrast, other options do not align with the specific regulatory framework governing mechanic certifications. Being found guilty of a minor infraction may not necessarily warrant suspension, as infractions can vary widely in severity and might not affect a mechanic's ability to perform their duties. Safety violations are a serious concern, but without further context, the mere mention does not provide a definitive guideline for suspension. Lastly, the issuance of a temporary airman certificate does not directly relate to a mechanic’s certification and does not inherently lead to suspension; the two certifications represent different levels of responsibility and oversight.