14 CFR · Part 121
14 CFR § 121.563
Reporting mechanical irregularities.
The pilot in command shall ensure that all mechanical irregularities occurring during flight time are entered in the maintenance log of the airplane at the end of that flight time. Before each flight the pilot in command shall ascertain the status of each irregularity entered in the log at the end of the preceding flight.
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Interpretations of This Section (4)
Documents that cite this section, found in their catalog metadata or text. Listed by date, not by significance.
Reflects the eCFR edition current as of September 29, 2026. Retrieved from ecfr.gov on October 16, 2026.
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