https://www.faa.gov/news/safety_briefing/2019/media/SE_Topic_19-09.pdf
NTSB Safety Alert — Advanced Preflight After Maintenance: https://go.usa.gov/cK7Py
FAA’s Advanced Preflight Pamphlet: https://go.usa.gov/xVy44 “Advanced Preflight,”
FAA Safety Briefing, Mar/Apr 2012: https://go.usa.gov/cK7ma