14 CFR §125.323
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The pilot in command shall ensure that all mechanical irregularities occurring during flight are entered in the maintenance log of the airplane at the next place of landing. 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.