1. 8531-7. Which of the following statements is true for a certificated and appropriately rated mechanic regarding repairs and alterations? A. He/she may perform an airframe major repair or major alteration, but cannot approve the work for return to service B. He/she may perform airframe minor repairs and minor alterations and approve the work for return to service, but cannot perform an airframe major repair or major alteration C. He/she may perform an airframe major repair or major alteration and approve the work, but not the entire aircraft, for return to service