Which statement best defines a Permanent Repair?

Which statement best defines a Permanent Repair?

• A. Meets or exceeds strength of original with no adverse effects on integrity, fatigue, safety or flying characteristics
• B. Restores cosmetic appearance
• C. Reduces weight but reduces strength
• D. Restores the aerostructure to its original weight only

Answer: (A)

Permanent repair means returning the aerostructure to a state where its load-carrying capability matches or exceeds the original design, without introducing any adverse effects to integrity, fatigue life, safety, or flying characteristics. That’s why the statement describing meeting or exceeding the original strength with no negative impact on those factors is the best definition. Cosmetic restoration only addresses appearance and doesn’t guarantee structural repair. A fix that reduces weight at the expense of strength is unsafe, and restoring weight alone without ensuring strength or fatigue integrity does not guarantee a proper, permanent repair.

Permanent repair means returning the aerostructure to a state where its load-carrying capability matches or exceeds the original design, without introducing any adverse effects to integrity, fatigue life, safety, or flying characteristics. That’s why the statement describing meeting or exceeding the original strength with no negative impact on those factors is the best definition. Cosmetic restoration only addresses appearance and doesn’t guarantee structural repair. A fix that reduces weight at the expense of strength is unsafe, and restoring weight alone without ensuring strength or fatigue integrity does not guarantee a proper, permanent repair.