US-FAA14 CFR 91.405
Maintenance required
Read the official ruleIn plain English
The owner/operator must have maintenance performed between required inspections as defects are found, ensure discrepancies are repaired or properly deferred, and make the appropriate maintenance record entries for the work.
Key points
- Fix or properly defer discrepancies as they arise.
- Ensure the required record entries are made.
- Address items between scheduled inspections.
Common pitfalls
- Flying with squawks that were never repaired or deferred.
*This is a plain-English summary for study only. The official 14 CFR text on this page is controlling — always read the current regulation.*
This is an original plain-English explanation for training and reference, not legal advice and not for navigation. Always rely on the current official rule linked above. Last reviewed June 8, 2026.