Which of the following statements is true for a certificated and appropriately rated mechanic regarding repairs and alterations?

Question

BlackTom AI · Accepted Answer

A certificated and appropriately rated mechanic is authorized to perform and approve for return to service only minor repairs and minor alterations; major repairs or major alterations exceed the scope of an individual mechanic’s privileges and require additional approvals.

1) Relevant knowledge points and concepts
- Definitions: A “major” repair or alteration is one that affects weight, balance, structural strength, performance, powerplant operation, flight characteristics, or other qualities affecting airworthiness; anything not meeting that threshold is “minor.”
- Authorization: 14 CFR provisions and FAA policy allow certificated mechanics (A&P) with the appropriate rating to perform and approve maintenance, preventive maintenance, and minor repairs/alterations for return to service.
- Major repairs/alterations: These normally require repair station capability, manufacturer/FAA authorization, field approval, or approval by an appropriate delegated authority (e.g., DER), and typically involve FAA Form 337 entries and higher-level approvals.

2) Step-by-step reasoning
- Determine whether the task is major or minor by evaluating its effect on airworthiness (weight, balance, structure, performance, etc.).
- If the task is minor, a certificated mechanic with the proper rating may both perform the work and sign the maintenance release approving the aircraft for return to service.
- If the task is major, the individual mechanic lacks authority to approve the work for return to service; the work must follow procedures for major alterations/repairs (repair station, field approval, DER, or FAA).

3) Calculations
- None required; classification is qualitative.

4) Why the correct answer is correct
- The correct option accurately states the mechanic’s privilege: they may perform and approve minor airframe repairs and minor alterations, but may not perform major airframe repairs or major alterations.

5) Why the other options are incorrect
- Option 1 (may perform major repairs/alterations but cannot approve the work) is wrong because a certificated mechanic is not authorized to perform major repairs/alterations in the first place without proper station/FAA authorization.
- Option 3 (may perform major repairs/alterations and approve the work, but not the entire aircraft) is incorrect because mechanics do not have authority to perform and approve major repairs/alterations; those require higher-level approvals.

Conclusion: The correct choice is the statement that the mechanic may perform and approve minor airframe repairs and minor alterations but cannot perform airframe major repairs or major alterations. This matches the provided answer.

Which of the following statements is true for a certificated and appropriately rated mechanic regarding repairs and alterations?单项选择题

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