← All explained questions · Supplemental · II — Preflight Procedures
If a discrepancy is discovered during postflight that affects airworthiness, the pilot must
Choices
ignore it if minor.
Ignoring discrepancies endangers next pilot.
✓ make a logbook entry per 14 CFR 91.405.correct
if the discrepancy affects airworthiness, the airplane must NOT be flown until inspected/repaired by an authorized person. Per 14 CFR 91.405 and 91.7, the PIC determines airworthiness. Any airworthiness discrepancy must be entered in the maintenance record and the aircraft cannot be operated until repaired by an appropriately rated mechanic. Pilot-performed PREVENTIVE maintenance (Part 43 Appendix A(c)) is allowed for minor items like replenishing fluid, but actual repair requires a mechanic.
fix it themselves using duct tape.
Pilot is not authorized to make non-preventive repairs.
ground the airplane only if the discrepancy is critical to the next flight.
Airworthiness item REQUIRES grounding regardless of subjectivity.
Why
if the discrepancy affects airworthiness, the airplane must NOT be flown until inspected/repaired by an authorized person. Per 14 CFR 91.405 and 91.7, the PIC determines airworthiness. Any airworthiness discrepancy must be entered in the maintenance record and the aircraft cannot be operated until repaired by an appropriately rated mechanic. Pilot-performed PREVENTIVE maintenance (Part 43 Appendix A(c)) is allowed for minor items like replenishing fluid, but actual repair requires a mechanic.
FAA source: 14 CFR 91.405, 91.7, Part 43 Appendix Abrowse the reference library →
Original study question written for this course — representative of FAA knowledge-test topics, not an actual current FAA exam question.