14 CFR § 437.73 - Anomaly recording, reporting and implementation of corrective actions.
(a) A permittee must record each anomaly that affects a safety-critical system, subsystem, process, facility, or support equipment.
(c) A permittee must report to the FAA any anomaly of any system that is necessary for complying with §§ 437.55(a)(3), 437.57, and 437.59, and must report the corrective action for each reported anomaly.
(d) A permittee must implement each corrective action before the next flight.
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